WYOMING

NIOBRARA COUNTY

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

ICHNOSTEM: TETRAPODIPIDA NOVA

ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA

ICHNOCLASS: REPTILIPEDIA VIALOV, 1966

ICHNOSUBCLASS: DIAPSIDIPIDII NOVA

ICHNOSTEM-GROUP: NEODIAPSIDIPEDII NOVA

ICHNOINFRACLASS: NEODIAPSIDIPEDII NOVA

ICHNOSUBDIVISION: ARCHOSAURIPEDIDII NOVA

ICHNOSUPERCOHORT: AVEMETATARSALIPEDII NOVA

ICHNOLEGION: DINOSAUROMORPHIPEDA NOVA

ICHNOSUBLEGION: DINOSAURIFORMEIPEDIDII NOVA

ICHNOSUPERCOHORT: DINOSAUROPEDIDA NOVA

ICHNOCOHORT: THEROPODIPEDIA NOVA

Incerate sedis

Saurexallopus sp

ICHNOSUPERORDER: NEOTHEROPODOPEDIDA NOVA

ICHNOORDER: NEOTETANURIPEDIDII NOVA

ICHNOSUBORDER: AVETHEROPODIPIDA NOVA

ICHNOMICRORDER: COELUROSAURIPIDIDA NOVA

ICHNOORDER: MANIRAPTORFORMIPIDA NOVA

ICHNOSUBORDER: COELURIPIDA NOVA

Ichnosuperfamily: TYRANNOSAUROIPIDEA Nova

Ichnofamily: TYRANNOSAURIPODIDAE emend Vylov, 1988

Tyrannosauripus sp

ICHNOSUBORDER: ORNITHOMIMOSAUROPIDA NOVA

Family: ORNITHIMIMIOPIDIDAE NOVA

Gen. sp indet.

ICHNOCOHORT: ORNITHISCHIFORMEIPIDA NOVA

ICHNOMAGNORDER: ORNITHISCHIPIDA NOVA

ICHNOSUPERORDER: NEORNITHISCHIPIDA NOVA

ICHNOGRANDORDER: ORNITHOPODIPDIA NOVA

ICHNOMICRORDER: EUORNITHOPODIPIDA NOVA

ICHNOORDER: IGUANODONTIPIDIA NOVA

ICHNOSUBORDER: ANKYLOPOLLEXIPEDIDA NOVA

ICHNOINFRAORDER: STYRACOSTERNIPIDA NOVA

ICHNOPARVORDER: HADROSAURIFORMIPEDIDA NOVA

ICHNOSUPERFAMILY: HADROSAUROIDIPEDIA NOVA

Ichnofamily: HADROSAURIOPDIDAE Vylov, 1988

Gen. sp indet.


WYOMING

NIOBRARA COUNTY

“P.B.Q’? PETERSON’S OR BEECHER’S QUARRY

UNKNOWN

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AVES LINNAEUS, 1758

AVEBREVICAUDA PAUL, 2001

SUBCLASS: CARINATE MERREM, 1813

INFRACLASS: NEORNITHES GADOW, 1893

PARVCLASS: NEOGNATHAE PYCRAFT 1900

ORDER: ANSERIFORMES WAGLER, 1831

Family: PRESBYORNITHIDAE Wetmore, 1926

Incertae sedis

Undetermined species 3


WYOMING

NIOBRARA COUNTY

SEVEN MILE CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops horridus
= *Triceratops sternbergii


WYOMING

NIOBRARA COUNTY

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

ORDER: ALLOCAUDATA FOX & NAYLOR, 1982

Family: ALBANERPETONTIDAE Fox & Naylor, 1982

Albanerpeton nexuosus

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

*Opisthotriton kayi

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum
Scapherpeton sp

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

*Habrosaurus dilatus
= *Adelphesiren olivae

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Subfamily: EUBAENINAE Gaffney, 1972

Eubaena cephalica
= Baena cephalica

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

SUBORDER: COELURIA MARSH, 1881

Superfamily: TYRANNOSAUROIDEA Osborn, 1906 (sensu Bonaparte et. al., 1990)

Family: TYRANNOSAURIDAE Osborn, 1906

Subfamily: TYRANNOSAURINAE Osborn, 1906

Tribe: TYRANNOSAURINI Osborn, 1906 (sensu Olshevsky, Ford & Yamamoto, 1995)

Tyrannosaurus rex
= *Aublysodon cristatus
= Deinodon cristatus
= Stygivenator cristatus

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

*Anatosaurus longiceps
= Trachodon longiceps
= Anatosaurus longiceps
= Hadrosaurus longiceps
= Anatotian longiceps
Anatosaurus annectens

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: PACHYCEPHALOSAURIA MARYANSKA & OSMOLSKA, 1974

SUBORDER: DOMOCEPHALINIA SERENO, 1986

INFRAORDER: PACHYCEPHALOSAURIA (MARYANSKA & OSMOLSKA, 1974) COOPER, 1985

Family: PACHYCEPHALOSAURIDAE Sternberg, 1945

Subfamily: PACHYCEPHALOSAURINAE Sternberg, 1945 (sensu Sereno, 1998)

Pachycephalosaurus wyomingensis
= Troodon wyomingensis
= Stegoceras wyomingense
= Stegoceras wyomingensis

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops horridus
= Triceratops elatus
Triceratops prorsus
Triceratops sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus sp

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: DRYOLESTOIDEA BUTLER, 1939

ORDER: DRYOLESTOIDA PROTHERO, 1981

Family: DRYOLESTIDAE Marsh, 1879

*Dryolestes tenax

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax
= *Stagodon validus
= *Stagodon nitor
= *Cimolestes curtus
= Diaphorodon curtus

Eodelphis browni
= Didelphodon petersoni
= Ectoconodon petersoni

Family: PEDIOMYIDAE Simpson, 1927

Pediomys elegans

Gen. sp indet.

MAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997

ORDER: DIDELPHIMORPHIA GILL, 1872

Family: DIDELPHIDAE Gray 1821

Subfamily: ALPHADONTIDAE Marshall, Case & Woodburne, 1990

*Alphadon marshi

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

*Gypsonictops hypoconus
= Euangelestes petersoni


WYOMING

NIOBRARA COUNTY (OLD CONVERSE COUNTY)

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Subfamily: EUBAENINAE Gaffney, 1972

*Eubaena cephalica
= Baena cephalica


WYOMING

NIOBRARA COUNTY

LATE LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops horridus
= *Triceratops sulcatus
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

LANCE CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: NEURANKYLIDAE Lambe, 1902

Compsemys victa

Family: BAENIDAE Cope, 1882

Incertae sedis

non Baena, *B. hayi

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: ASCALABOTA GILMORE, 1928

ORDER: IGUANIA LATREILLE, 1825

SUBORDER: DRACOMORPHA NORTHCUTT, 1978

INFRAORDER: TEIUMORPHA ALIFANOV, 2000

Family: TEIIDAE Gray, 1827

Subfamily: CHAMOPSINAE Denton & O’Neill 1995

*Chamops segnis
= *Iguanius teres
= *Lanceosaurus hatcheri
= *Lanceosaurus compressus

GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961

MICRORDER: SCINCOMORPHA CAMP, 1923

ORDER: ANGUIMORPHA FURBRINGER, 1900

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: XENOSAUIRA FURBRINGER, 1900

Family: XENOSAURIDAE Cope, 1886

Exostinus lancensis
= *Prionosaurus regularis

INFRAORDER: OPHISAUROMORPHA ALIFANOV, 2000

Family: ANGUIDAE Gray, 1825

Subfamily: GLYPTOSAURINAE Marsh, 1872

Tribe: MELANOSAURINI Sullivan, 1979

Odaxosaurus piger
= Odaxosaurus obliquus

INFRAORDER: THECAGLOSSA COPE, 1890

PARVORDER: MONSTERSAURIA NORELL & GAO, 1977

Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)

Family: VARANIDAE Gray, 1827

Palaeosaniwa canadensis

Family: PARASANIWIDAE Estes, 1964

*Parasaniwa wyomingensis
*Parasaniwa obtusa

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

SUBORDER: COELURIA MARSH, 1881

Superfamily: TYRANNOSAUROIDEA Osborn, 1906 (sensu Bonaparte et. al., 1990)

Family: TYRANNOSAURIDAE Osborn, 1906

Subfamily: TYRANNOSAURINAE Osborn, 1906

Tribe: TYRANNOSAURINI Osborn, 1906 (sensu Olshevsky, Ford & Yamamoto, 1995)

Tyrannosaurus rex

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

Family: THESCELOSAURIDAE Sternberg, 1937

Thescelosaurus neglectus

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Incertae sedis

Gen. sp indet.

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

SUPERORDER: EURYOPDA SERENO, 1986

GRANDORDER: ARMATOSAURIA ZHAO, 1983 (emend)

ORDER: ANKYLOSAURIA OSBORN, 1923

SUBORDER: SCELIDOSAURIA COOPER, 1985

INFRAORDER: ANKYLOSAURA OSBORN, 1923

Family: ANKYLOSAURIDAE Brown, 1908

Incertae sedis

Gen. sp indet.


WYOMING

NIOBRARA COUNTY

LANCE CREEK

QUARRY 1

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: ASCALABOTA GILMORE, 1928

ORDER: IGUANIA LATREILLE, 1825

SUBORDER: DRACOMORPHA NORTHCUTT, 1978

INFRAORDER: TEIUMORPHA ALIFANOV, 2000

Family: TEIIDAE Gray, 1827

Subfamily: CHAMOPSINAE Denton & O’Neill 1995

Chamops segnis
= *Alethesaurus quadratus


WYOMING

NIOBRARA COUNTY

BUCK CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops horridus
= Triceratops sulcatus
= Triceratops elatus
Triceratops prorsus
Triceratops cf. albertensis
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

ABOUT 3 M ABOVE THE MOUTH OF LIGNTHING CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops prorsus
= *Triceratops brevicornus
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

LIGHTNING CREEK

NEAR THE SUMMIT OF THE BLUFF ON THE NORTH SIDE OF LIGHTNING CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TOROSAURINI Nopcsa, 1915

*Torosaurus latus
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

LIGHTNING CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

*Anatosaurus annectens
= Claosaurus annectens
= Anatosaurus annectens
= Thespesius annectens
= Trachodon annectens
= Claosaruus annectans

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops horridus
= *Triceratops serratus
*Triceratops prorsus
= Triceratops brevicornus
____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

NEAR THE TYPE LOCALIYT MIDWAY BETWEEN LIGNTHING AND COW CREEKS

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TOROSAURINI Nopcsa, 1915

Torosaurus latus
= Torosaurus gladius
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

25 M ABOVE THE MOUTH OF LANCE CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: PACHYCEPHALOSAURIA MARYANSKA & OSMOLSKA, 1974

SUBORDER: DOMOCEPHALINIA SERENO, 1986

INFRAORDER: PACHYCEPHALOSAURIA (MARYANSKA & OSMOLSKA, 1974) COOPER, 1985

Family: PACHYCEPHALOSAURIDAE Sternberg, 1945

Subfamily: PACHYCEPHALOSAURINAE Sternberg, 1945 (sensu Sereno, 1998)

Stygimoloch spinifer
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

LOCALITY 1

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton sp


WYOMING

NIOBRARA COUNTY

BUG CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops horridus
= Triceratops serratus


WYOMING

NIOBRARA COUNTY

ALKALI CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

SUBORDER: COELURIA MARSH, 1881

Superfamily: TYRANNOSAUROIDEA Osborn, 1906 (sensu Bonaparte et. al., 1990)

Family: TYRANNOSAURIDAE Osborn, 1906

Subfamily: ALBERTOSAURINAE Currie, Hurum & Sabath, 2003

Albertosaurus sarcophagus
= *Ornithomimus grandis
= Aublysodon grandis
= Deinodon grandis

Subfamily: TYRANNOSAURINAE Osborn, 1906

Tribe: TYRANNOSAURINI Osborn, 1906 (sensu Olshevsky, Ford & Yamamoto, 1995)

Tyrannosaurus sp

SUBORDER: ORNITHOMIMOSAURIA BARSBOLD, 1976

Family: ORNITHOMIMIDAE Marsh, 1890

*Ornithomimus sedens
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

A MAIN DIVIDE BETWEEN BUCK CREEK AND LANCE CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops horridus
= *Triceratops flabellatus
= Sterrholophus flabellatus
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

9 M SW OF WARREN POST OFFICE ON BUG CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: PACHYCEPHALOSAURIA MARYANSKA & OSMOLSKA, 1974

SUBORDER: DOMOCEPHALINIA SERENO, 1986

INFRAORDER: PACHYCEPHALOSAURIA (MARYANSKA & OSMOLSKA, 1974) COOPER, 1985

Family: PACHYCEPHALOSAURIDAE Sternberg, 1945

Subfamily: PACHYCEPHALOSAURINAE Sternberg, 1945 (sensu Sereno, 1998)

*Pachycephalosaurus wyomingensis
= Troodon wyomingensis
= Stegoceras wyomingense
= Stegoceras wyomingensis
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

“BEECHER’S QUARRY”

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

Family: THESCELOSAURIDAE Sternberg, 1937

Thescelosaurus neglectus
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

2 OR 3 M N OF DOGIE CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Anatosaurus annectens
____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

DOGIE CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

Family: THESCELOSAURIDAE Sternberg, 1937

*Thescelosaurus neglectus

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops horridus
= *Triceratops ingens
Triceratops cf. albertensis
Triceratops sp
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

ABOUT 3 M N OF MOUTH OF DOGIE CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Incertae sedis

Gen. sp indet.
____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

DRAGON’S GRAVE

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

ORDER: Incertae sedis
cf. Ricardoestesia

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

SUBORDER: COELURIA MARSH, 1881

Superfamily: TYRANNOSAUROIDEA Osborn, 1906 (sensu Bonaparte et. al., 1990)

Family: TYRANNOSAURIDAE Osborn, 1906

Subfamily: TYRANNOSAURINAE Osborn, 1906

Tribe: TYRANNOSAURINI Osborn, 1906 (sensu Olshevsky, Ford & Yamamoto, 1995)

Nanotyrannus sp

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Family: DROMAEOSAURIDAE Russell, 1969

Subfamily: DROMAEOSAURINAE Matthew & Brown, 1922

Dromaeosaurus sp

Subfamily: VELOCIRAPTORINAE Barsbold, 1978

Saurornitholestes sp

Family: TROODONTIDAE Gilmore, 1924

Troodon formosus

Genus nova?

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Anatosaurus annectens

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

OOCOHORT: THEROPODA NOVA

oofamily: ELONGATOOLITHIDAE Zhao, 1975

Elongatoolithus

Macroolithus
Note: TROODONTIDAE?
____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

NORTH OF LANCE CREEK

T64W, R38N

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Anatosaurus annectens
____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

GREASEWOOD CREEK LOCALITY

SDSM LOCALITY V865

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Opisthotriton kayi

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus


WYOMING

NIOBRARA COUNTY

HANSON LOCALITY

SDSM LOCALITY V852

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Opisthotriton kayi

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus


WYOMING

NIOBRARA COUNTY

LEONARD’S LIZARD SITE

SDSM LOCALITY V853

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CHAMPSOSAURIDAE Cope, 1884

Champsosaurus laramiensis


WYOMING

NIOBRARA COUNTY

PETERSON’S QUARRY

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton sp

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA BENTON, 1983

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA, OPPEL, 1811

SUPERORDER: SERPENTES LINNAEUS, 1759

ORDER: OPHIDIA BRONGNIART, 1800

SUBORDER: ALETHINOPHIDIA NOPCSCA, 1923

Superfamily: ANILIODEA Fitzinger, 1826

Family: ANILIIDAE Fitzenger, 1826

*Coniophis precedens

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

SUBORDER: COELURIA MARSH, 1881

Superfamily: TYRANNOSAUROIDEA Osborn, 1906 (sensu Bonaparte et. al., 1990)

Family: TYRANNOSAURIDAE Osborn, 1906

Subfamily: TYRANNOSAURINAE Osborn, 1906

Tribe: TYRANNOSAURINI Osborn, 1906 (sensu Olshevsky, Ford & Yamamoto, 1995)

Tyrannosaurus rex
= Manospondylus gigas
= *Aublysodon amplus
= Deinodon amplus
= Manospondylus amplus
= Tyrannosaurus amplus
= Stygivenator amplus

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: EURYOPDA SERENO, 1986

GRANDORDER: ARMATOSAURIA ZHAO, 1983 (emend)

ORDER: ANKYLOSAURIA OSBORN, 1923

SUBORDER: SCELIDOSAURIA COOPER, 1985

INFRAORDER: ANKYLOSAURA OSBORN, 1923

Family: NODOSAURIDAE Marsh, 1890

*Palaeoscincus latus


WYOMING

NIOBRARA COUNTY

ON THE NORTH PLATTE RIVER

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Incertae sedis

Gen. sp indet.
____________________________________________________________________________________

WYOMING

NIOBARA COUNTY

UC LOCALITIY V-5002

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma thompsoni
Mesodma sp

Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

Family: PEDIOMYIDAE Simpson, 1927

Pediomys cooki

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5003

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Opisthotriton kayi

Prodesmodon copei

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Subfamily: BAENINAE Cope, 1882 (sensu Williams, 1950)

Baena sp

Family: NEURANKYLIDAE Lambe, 1902

Compsemys victa

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: CHELYDROIDEA AGASSIZ, 1857

Family: CHELYDRIDAE Agassiz, 1857

Gen. sp indet.

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: TRIONYCHIDAE Bell, 1828

Aspideretes beecheri

cf Helopanoplia

Ge.n sp indet.

Family: ADOCIDAE Cope, 1870

Adocus sp

Family: NANHSIUNGCHELYIDAE Yeh, 1966

Basilemys sp

Superfamily: TESTUDINOIDEA Baur, 1893

Family: EMYDIDAE Gray, 1825

Subfamily: EMYDINAE Gray, 1825

Gen. sp indet.

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: ASCALABOTA GILMORE, 1928

ORDER: IGUANIA LATREILLE, 1825

SUBORDER: DRACOMORPHA NORTHCUTT, 1978

INFRAORDER: TEIUMORPHA ALIFANOV, 2000

Family: TEIIDAE Gray, 1827

Subfamily: CHAMOPSINAE Denton & O’Neill 1995

Chamops segnis

GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961

MICRORDER: SCINCOMORPHA CAMP, 1923

ORDER: ANGUIMORPHA FURBRINGER, 1900

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: OPHISAUROMORPHA ALIFANOV, 2000

Family: ANGUIDAE Gray, 1825

Subfamily: GERRHONOTINAE McDowell & Bogert, 1954

cf. Gerrhonotus

SUBORDER: PLATYNOTA GILMORE, 1928

INFRAORDER: HELODERMOIDA COPE, 1900

Family: HELODERMATIDAE Gray, 1837

Paraderma bogerti

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: XENOSAUIRA FURBRINGER, 1900

Family: XENOSAURIDAE Cope, 1886

Exostinus lancensis

INFRAORDER: OPHISAUROMORPHA ALIFANOV, 2000

Family: ANGUIDAE Gray, 1825

Subfamily: GLYPTOSAURINAE Marsh, 1872

Tribe: MELANOSAURINI Sullivan, 1979

Odaxosaurus piger

INFRAORDER: THECAGLOSSA COPE, 1890

PARVORDER: MONSTERSAURIA NORELL & GAO, 1977

Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)

Family: VARANIDAE Gray, 1827

Palaeosaniwa canadensis

Family: PARASANIWIDAE Estes, 1964

Parasaniwa wyomingensis

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

ORDER: NEOTETANURAE SERENO, WILSON, LARSSON, DUTHEIL &

SUBORDER: CARNOSAURIA HUENE, 1920

Superfamily: Incertae sedis

Family: DRYPTOSAURIDAE Marsh, 1890

Dryptosaurus sp

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Incertae sedis

Paronychodon lacustris

Family: DROMAEOSAURIDAE Russell, 1969

Incerate sedis

Gen. sp indet.

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp

CLASS: AVES LINNAEUS, 1758

AVEBREVICAUDA PAUL, 2001

SUBCLASS: CARINATE MERREM, 1813

INFRACLASS: NEORNITHES GADOW, 1893

PARVCLASS: NEOGNATHAE PYCRAFT 1900

ORDER: CHARADRIIFORMES HUXLEY, 1867

SUBORDER: CHARADIIDINE (HUXLEY, 1867) FURBRINGER, 1888

Family: CIMOLOPTERYGIDAE Brodkorb, 1963

*Cimolopteryx minima

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma formosa
Mesodma sp

Superfamily: Incertae sedis

Family: CIMOLOMYIDAE Marsh, 1889

Cimolomys gracilis

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

Family: PEDIOMYIDAE Simpson, 1927

Pediomys hatcheri
= Protolambda hatcheri
Pediomys elegans
Pediomys florencae

MAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997

ORDER: DIDELPHIMORPHIA GILL, 1872

Family: DIDELPHIDAE Gray 1821

Turgidodon rhaister
= Alaphadon rhaister

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: FERAE LINNAEUS, 1758

ORDER: CIMOLESTA McKENNA, 1975

SUBORDER: DIDELPHODONTA McKENNA, 1975

Family: CIMOLESTIDAE Marsh, 1889

Cimolestes magnus
Cimolestes incisus

ORDER: LIPOTYPHLA HAECKEL, 1866

SUBORDER: SORICOMORPHA GREGORY, 1910

Family: GEOLABIDIDAE McKenna, 1960

*Batodon tenuis

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBARA COUNTY

UC LOCALITIY V-5004

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5616

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Opisthotriton kayi

Prodesmodon copei

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Subfamily: BAENINAE Cope, 1882 (sensu Williams, 1950)

Gen. sp indet.

Subfamily: EUBAENINAE Gaffney, 1972

cf Stygiochelys sp

Family: NEURANKYLIDAE Lambe, 1902

Compsemys sp

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: CHELYDROIDEA AGASSIZ, 1857

Family: CHELYDRIDAE Agassiz, 1857

Gen. sp indet.

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: TRIONYCHIDAE Bell, 1828

Aspideretes beecheri
Aspideretes sp

Gen. sp indet.

Family: NANHSIUNGCHELYIDAE Yeh, 1966

Basilemys sp

Superfamily: TESTUDINOIDEA Baur, 1893

Family: EMYDIDAE Gray, 1825

Subfamily: EMYDINAE Gray, 1825

Gen. sp indet.

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: ASCALABOTA GILMORE, 1928

ORDER: IGUANIA LATREILLE, 1825

SUBORDER: DRACOMORPHA NORTHCUTT, 1978

INFRAORDER: TEIUMORPHA ALIFANOV, 2000

Family: TEIIDAE Gray, 1827

Subfamily: CHAMOPSINAE Denton & O’Neill 1995

Leptochamops denticulatus

Meniscognathus altmani

GRANDORDER: SCINCOGEKKONOMORPH SUKHANOV, 1961

MICRORDER: SCINCOMORPHA CAMP, 1923

ORDER: ANGUIMORPHA FURBRINGER, 1900

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: OPHISAUROMORPHA ALIFANOV, 2000

Family: ANGUIDAE Gray, 1825

Subfamily: GLYPTOSAURINAE Marsh, 1872

Tribe: MELANOSAURINI Sullivan, 1979

Odaxosaurus piger

INFRAORDER: THECAGLOSSA COPE, 1890

PARVORDER: MONSTERSAURIA NORELL & GAO, 1977

Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)

Family: PARASANIWIDAE Estes, 1964

Parasaniwa wyomingensis

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CHAMPSOSAURIDAE Cope, 1884

Incertae sedis

Champsosaurus sp

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Incertae sedis

Paronychodon lacustris

Family: TROODONTIDAE Gilmore, 1924

Troodon sp

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma formosa
Mesodma thompsoni
Mesodma sp

Superfamily: Incertae sedis

Family: CIMOLOMYIDAE Marsh, 1889

Cimolomys gracilis

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

Family: PEDIOMYIDAE Simpson, 1927

Pediomys hatcheri
= Protolambda hatcheri
Pediomys elegans
Pediomys cooki
Pediomys florencae

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: FERAE LINNAEUS, 1758

ORDER: CIMOLESTA McKENNA, 1975

SUBORDER: DIDELPHODONTA McKENNA, 1975

Family: CIMOLESTIDAE Marsh, 1889

Cimolestes stirtoni
Cimolestes incisus

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5617

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: CHELYDROIDEA AGASSIZ, 1857

Family: CHELYDRIDAE Agassiz, 1857

Gen. sp indet.

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: TRIONYCHIDAE Bell, 1828

Gen. sp indet.

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CHAMPSOSAURIDAE Cope, 1884

Incertae sedis

Champsosaurus sp

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma sp


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5618

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Opisthotriton kayi

Prodesmodon copei

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: ASCALABOTA GILMORE, 1928

ORDER: IGUANIA LATREILLE, 1825

SUBORDER: DRACOMORPHA NORTHCUTT, 1978

INFRAORDER: TEIUMORPHA ALIFANOV, 2000

Family: TEIIDAE Gray, 1827

Subfamily: CHAMOPSINAE Denton & O’Neill 1995

Meniscognathus altmani

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

ORDER: NEOTETANURAE SERENO, WILSON, LARSSON, DUTHEIL &

SUBORDER: CARNOSAURIA HUENE, 1920

Superfamily: Incertae sedis

Family: DRYPTOSAURIDAE Marsh, 1890

Dryptosaurus sp

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5619

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Prodesmodon copei

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CHAMPSOSAURIDAE Cope, 1884

Incertae sedis

Champsosaurus sp

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma formosa

Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

Family: PEDIOMYIDAE Simpson, 1927

Pediomys hatcheri
= Protolambda hatcheri
Pediomys cooki

MAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997

ORDER: DIDELPHIMORPHIA GILL, 1872

Family: HERPETOTHERIIDAE Trouessart, 1879

Nortedelphys magnus

Family: DIDELPHIDAE Gray 1821

Subfamily: ALPHADONTIDAE Marshall, Case & Woodburne, 1990

Alphadon marshi

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: FERAE LINNAEUS, 1758

ORDER: CIMOLESTA McKENNA, 1975

SUBORDER: DIDELPHODONTA McKENNA, 1975

Family: CIMOLESTIDAE Marsh, 1889

Cimolestes magnus
Cimolestes stirtoni

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBRARA COUNTY (FORMERLY CONVERSE COUNTY)

POWDER RIVER BASIN

NEAR THE HEAD OF A TRIBUTARY OF BUCK CREEK

LULL QUARRY

UCMP V-5620

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

ORDER: ALLOCAUDATA FOX & NAYLOR, 1982

Family: ALBANERPETONTIDAE Fox & Naylor, 1982

*Albanerpeton nexuosus

Gen. sp indet.

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Opisthotriton kayi
*Prodesmodon copei
= *Cuttysarkus mcnallyi

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

SUPERORDER: SALIENTIA LAURENTI, 1768
Incertae sedis

Gen. sp indet.

ORDER: ANURA RAFINESQUE, 1815

Family: ASCAPHIDAE Fejervary, 1923

Gen. sp indet.

SUBORDER: DISCOGLOSSOIDEI SOKOL, 1977

Family: DISCOGLOSSIDAE Guenther, 1859

Subfamily: DISCOGLOSSINAE Gunther, 1859

Barbourula sp

Paradiscoglossus americanus

SUBORDER: MESOBATRACHIA LAURENT, 1979

Superfamily: PELOBATOIDEA Stanius, 1856 , nom. corr. Spinar, 1971 (sensu Bolkay, 1919)

Family: PELOBATIDAE Stanius, 1856 , nom. corr. Spinar, 1971

Eopelobates sp

Gen. sp indet.

SUBORDER: NEOBATRACHIA REIG, 1958

Family: Incertae sedis

Gen. sp indet.

Superfamily: HYLOIDEA Rafinesque, 1815 (sensu Wied, 1856)

Family: LEPTODACTYLIDAE Werner, 1896

Near Leptodactylidae

Near Hylidae?

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Subfamily: EUBAENINAE Gaffney, 1972

Plesiobaena antiquus
= Baena antiqua
Plesiobaena sp

Subfamily: BAENINAE Cope, 1882 (sensu Williams, 1950)

Baena sp

Gen. sp indet.

Family: NEURANKYLIDAE Lambe, 1902

Compsemys victa
Compsemys sp

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: CHELYDROIDEA AGASSIZ, 1857

Family: CHELYDRIDAE Agassiz, 1857

Gen. sp indet.

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: NANHSIUNGCHELYIDAE Yeh, 1966

Basilemys sp

Family: TRIONYCHIDAE Bell, 1828

Helopanoplia

Plastomenus sp
Note: Plastomeninae ?

Gen. sp indet.

Family: ADOCIDAE Cope, 1870

Adocus sp

Family: KINOSTERNIDAE

Gen. sp indet.

Family: EMYDIDAE Gray, 1825

Subfamily: EMYDINAE Gray, 1825

Gen. sp indet.

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

Incertae sedis

*Litakis gilmorei

GRANDORDER: ASCALABOTA GILMORE, 1928

ORDER: IGUANIA LATREILLE, 1825

SUBORDER: DRACOMORPHA NORTHCUTT, 1978

INFRAORDER: TEIUMORPHA ALIFANOV, 2000

Family: TEIIDAE Gray, 1827

Subfamily: CHAMOPSINAE Denton & O’Neill 1995

Chamops segnis

Leptochamops denticulatus

*Meniscognathus altmani

SUBORDER: ACRODONTIA COPE, 1864

INFRAORDER: AGAMOGNATHA EMEND ALIFANOV, 2000

PARVORDER: POLYGLYPHANODONTIA EMEND ALIFANOV, 2000

Family: POLYGLPHANODONTIDAE Gilmore, 1942

*Haptosphenus placodon

GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961

MICRORDER: SCINCOMORPHA CAMP, 1923

ORDER: LEPTOGLOSSA COPE, 1900

SUBORDER: LYGOSOMORPHA ALIFANOV, 2000

Superfamily: SCINCOIDEA Oppel, 1811

Family: SCINCIDAE Gray, 1825

*Estescincosaurus cooki
= Sauriscus cooki

ORDER: ANGUIMORPHA FURBRINGER, 1900

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: OPHISAUROMORPHA ALIFANOV, 2000

Family: ANGUIDAE Gray, 1825

Subfamily: GERRHONOTINAE McDowell & Bogert, 1954

cf. Gerrhonotus

SUBORDER: PLATYNOTA GILMORE, 1928

INFRAORDER: HELODERMOIDA COPE, 1900

Family: HELODERMATIDAE Gray, 1837

Paraderma bogerti

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: XENOSAUIRA FURBRINGER, 1900

Family: XENOSAURIDAE Cope, 1886

Exostinus lancensis

INFRAORDER: OPHISAUROMORPHA ALIFANOV, 2000

Family: ANGUIDAE Gray, 1825

Subfamily: GLYPTOSAURINAE Marsh, 1872

Tribe: MELANOSAURINI Sullivan, 1979

Odaxosaurus piger

INFRAORDER: THECAGLOSSA COPE, 1890

PARVORDER: MONSTERSAURIA NORELL & GAO, 1977

Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)

Family: VARANIDAE Gray, 1827

Palaeosaniwa canadensis

Family: PARASANIWIDAE Estes, 1964

*Colpodontosaurus cracens

Parasaniwa wyomingensis

SUPERORDER: SERPENTES LINNAEUS, 1759

ORDER: OPHIDIA BRONGNIART, 1800

SUBORDER: ALETHINOPHIDIA NOPCSCA, 1923

Superfamily: ANILIODEA Fitzinger, 1826

Family: ANILIIDAE Fitzenger, 1826

Coniophis precedens

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: MESOSUCHIA EMEND HUXLEY, 1875

PARVORDER: METASUCHIA BENTON & CLARK, 1988

GONDWANASUCHIA DE SOUZA CARVALHO, RIBEIRO & DOS SANTOS AVILLA, 2004

NOTOSUCHIMORPHA DE SOUZA CARVALHO, RIBEIRO & DOS SANTOS AVILLA, 2004

NOTOSUCHIFORMES DE SOUZA CARVALHO, RIBEIRO & DOS SANTOS AVILLA, 2004

TERRIASUCHIA DE SOUZA CARVALHO, RIBEIRO & DOS SANTOS AVILLA, 2004

INFRAORDER: SEBECOSUCHIA SIMPSON, 1937 (emend. GASPARINI, 1971)

Family: SEBECIDAE Simpson, 1937

Gen. sp indet.

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

ORDER: Incertae sedis

Gen. sp indet.

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

ORDER: NEOTETANURAE SERENO, WILSON, LARSSON, DUTHEIL &

SUBORDER: CARNOSAURIA HUENE, 1920

Superfamily: Incertae sedis

Family: DRYPTOSAURIDAE Marsh, 1890

Dryptosaurus sp

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

SUBORDER: COELURIA MARSH, 1881

Superfamily: TYRANNOSAUROIDEA Osborn, 1906 (sensu Bonaparte et. al., 1990)

Family: TYRANNOSAURIDAE Osborn, 1906

Aublysodon mirandus
= Ornithomimus mirandus

SUBORDER: ORNITHOMIMOSAURIA BARSBOLD, 1976

Family: ORNITHOMIMIDAE Marsh, 1890

Ornithomimus sp

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Family: DROMAEOSAURIDAE Russell, 1969

Incerate sedis

Gen. sp indet.

Family: TROODONTIDAE Gilmore, 1924

Troodon bakkeri
= Pectinodon bakkeri

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

Family: THESCELOSAURIDAE Sternberg, 1937

Thescelosaurus neglectus
Thescelosaurus sp

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp

CLASS: AVES LINNAEUS, 1758

AVEBREVICAUDA PAUL, 2001

SUBCLASS: ODONTORNITHES MARSH, 1873

INFRACLASS: ODONTOHOLCAE NOVA

MAGNORDER: HESPERORNITHES

ORDER: HESPERORNITHIFORMES FURBRINGER, 1888

Incertae sedis
*Potamornis skutchi

SUBCLASS: CARINATE MERREM, 1813

INFRACLASS: NEORNITHES GADOW, 1893

Incertae sedis

*Ceramornis major

Gen. sp indet. (Undertermined species 2, 3)

PARVCLASS: NEOGNATHAE PYCRAFT 1900

ORDER: CHARADRIIFORMES HUXLEY, 1867

SUBORDER: CHARADIIDINE (HUXLEY, 1867) FURBRINGER, 1888

Family: CIMOLOPTERYGIDAE Brodkorb, 1963

*Cimolopteryx rara
= Cimolopetryx rarus

ORDER: CICONIIFORMES BONAPARTE, 1854

SUBORDER: PHOENICOPTERI FURBRINGER, 1888

Family: TORTIGIDAE Brodkorb, 1963

*Torotix clemensi

ORDER: GAVIIFORMES WETMORE & MILLER, 1926

Family: LONCHODYTIDAE Brodkorb, 1963

*Lonchodytes estesi
*Lonchodytes pterygius

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma formosa

Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

Family: PEDIOMYIDAE Simpson, 1927

Pediomys hatcheri
= Protolambda hatcheri
Pediomys cooki

MAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997

ORDER: DIDELPHIMORPHIA GILL, 1872

Family: HERPETOTHERIIDAE Trouessart, 1879

Nortedelphys intermedius
Nortedelphys minimus

Family: DIDELPHIDAE Gray 1821

Subfamily: ALPHADONTIDAE Marshall, Case & Woodburne, 1990

Alphadon marshi

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: FERAE LINNAEUS, 1758

ORDER: CIMOLESTA McKENNA, 1975

SUBORDER: DIDELPHODONTA McKENNA, 1975

Family: CIMOLESTIDAE Marsh, 1889

Cimolestes magnus
Cimolestes stirtoni

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5621

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

ORDER: NEOTETANURAE SERENO, WILSON, LARSSON, DUTHEIL &

SUBORDER: CARNOSAURIA HUENE, 1920

Superfamily: Incertae sedis

Family: DRYPTOSAURIDAE Marsh, 1890

Dryptosaurus sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma sp

Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

MAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997

ORDER: PAUCITUBERCULATA AMEGHINO, 1894

Superfamily: CAROLOAMEGHINOIDEA Ameghino, 1901

Family: GLASBIIDAE Clemens, 1966

Glasbius intricatus

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus

WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5621

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: TRIONYCHIDAE Bell, 1828

Gen. sp indet.


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5622

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

SUBORDER: COELURIA MARSH, 1881

Superfamily: TYRANNOSAUROIDEA Osborn, 1906 (sensu Bonaparte et. al., 1990)

Family: TYRANNOSAURIDAE Osborn, 1906

Aublysodon mirandus
= Ornithomimus mirandus

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp

CLASS: AVES LINNAEUS, 1758

AVEBREVICAUDA PAUL, 2001

SUBCLASS: CARINATE MERREM, 1813

INFRACLASS: NEORNITHES GADOW, 1893

PARVCLASS: NEOGNATHAE PYCRAFT 1900

ORDER: CHARADRIIFORMES HUXLEY, 1867

SUBORDER: CHARADIIDINE (HUXLEY, 1867) FURBRINGER, 1888

Family: CIMOLOPTERYGIDAE Brodkorb, 1963

Cimolopteryx sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma thompsoni

Superfamily: Incertae sedis

Family: CIMOLOMYIDAE Marsh, 1889

Cimolomys gracilis

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: PEDIOMYIDAE Simpson, 1927

Pediomys florencae

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5623

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Prodesmodon copei

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: ASCALABOTA GILMORE, 1928

ORDER: IGUANIA LATREILLE, 1825

SUBORDER: DRACOMORPHA NORTHCUTT, 1978

INFRAORDER: TEIUMORPHA ALIFANOV, 2000

Family: TEIIDAE Gray, 1827

Subfamily: CHAMOPSINAE Denton & O’Neill 1995

Meniscognathus altmani

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

Incertae sedis

Gen. sp indet.

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Superfamily: Incertae sedis

Family: CIMOLOMYIDAE Marsh, 1889

Cimolomys gracilis

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5624

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Opisthotriton kayi

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5625

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

SUBORDER: ORNITHOMIMOSAURIA BARSBOLD, 1976

Family: ORNITHOMIMIDAE Marsh, 1890

Ornithomimus sp

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax
____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

UCMP V5630

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: EURYOPDA SERENO, 1986

GRANDORDER: ARMATOSAURIA ZHAO, 1983 (emend)

ORDER: ANKYLOSAURIA OSBORN, 1923

SUBORDER: SCELIDOSAURIA COOPER, 1985

INFRAORDER: ANKYLOSAURA OSBORN, 1923

Family: ANKYLOSAURIDAE Brown, 1908

Subfamily: ANKYLOSAURINAE Brown, 1908

Ankylosaurus magniventris
_____________________________________________________________________________________

WYOMING

NIOBARA COUNTY

UC LOCALITY V-5709

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: NEURANKYLIDAE Lambe, 1902

Compsemys sp

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: CHELYDROIDEA AGASSIZ, 1857

Family: CHELYDRIDAE Agassiz, 1857

Gen. sp indet.

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: TRIONYCHIDAE Bell, 1828

Helopanoplia sp

Gen. sp indet.

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Superfamily: Incertae sedis

Family: CIMOLOMYIDAE Marsh, 1889

Cimolomys gracilis

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

Family: PEDIOMYIDAE Simpson, 1927

Pediomys cooki

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBARA COUNTY

UC LOCALITIY V-5710

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

BUSHY TAILED BLOWOUT QUARRY

UC LOCALITY V-5711

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

ORDER: ALLOCAUDATA FOX & NAYLOR, 1982

Family: ALBANERPETONTIDAE Fox & Naylor, 1982

Albanerpeton nexuosus

Gen. sp indet.

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Opisthotriton kayi

Prodesmodon copei

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

SUPERORDER: SALIENTIA LAURENTI, 1768
Incertae sedis

Gen. sp indet.

ORDER: ANURA RAFINESQUE, 1815

Incertae sedis

*Theatonius lancensis

SUBORDER: DISCOGLOSSOIDEI SOKOL, 1977

Family: DISCOGLOSSIDAE Guenther, 1859

Subfamily: DISCOGLOSSINAE Gunther, 1859

Barbourula sp

*Paradiscoglossus americanus

SUBORDER: MESOBATRACHIA LAURENT, 1979

Superfamily: PIPOIDEA Gray, 1825 (sensu Fitzinger, 1843)

Family: PALAEOBATRACHIDAE Cope, 1865
Palaeobatrachus? occidentalis

Family: PELOBATIDAE Stanius, 1856 , nom. corr. Spinar, 1971

Eopelobates sp

Gen. sp indet.

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Subfamily: EUBAENINAE Gaffney, 1972

Eubaena sp

Plesiobaena antiquus
= Baena antiqua

Subfamily: BAENINAE Cope, 1882 (sensu Williams, 1950)

Baena sp

Family: NEURANKYLIDAE Lambe, 1902

Compsemys victa
Compsemys sp

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: CHELYDROIDEA AGASSIZ, 1857

Family: CHELYDRIDAE Agassiz, 1857

Emarginachelys sp

Gen. sp indet.

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: NANHSIUNGCHELYIDAE Yeh, 1966

Basilemys sp

Family: TRIONYCHIDAE Bell, 1828

Aspideretes beecheri
Aspideretes sp

Plastomenus sp
Note: Plastomeninae ?

Gen. sp indet.

Family: ADOCIDAE Cope, 1870

Adocus sp

Family: KINOSTERNIDAE

Gen. sp indet.

Family: MACROBAENIDAE Sukarou, 1964

Gen. sp indet.

Superfamily: TESTUDINOIDEA Baur, 1893

Family: EMYDIDAE Gray, 1825

Subfamily: EMYDINAE Gray, 1825

Gen. sp indet.

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

Incertae sedis

Litakis gilmorei

GRANDORDER: ASCALABOTA GILMORE, 1928

ORDER: IGUANIA LATREILLE, 1825

SUBORDER: DRACOMORPHA NORTHCUTT, 1978

INFRAORDER: TEIUMORPHA ALIFANOV, 2000

Family: TEIIDAE Gray, 1827

Subfamily: CHAMOPSINAE Denton & O’Neill 1995

Chamops segnis

Leptochamops denticulatus

Meniscognathus altmani

SUBORDER: ACRODONTIA COPE, 1864

INFRAORDER: AGAMOGNATHA EMEND ALIFANOV, 2000

PARVORDER: POLYGLYPHANODONTIA EMEND ALIFANOV, 2000

Family: POLYGLPHANODONTIDAE Gilmore, 1942

Haptosphenus placodon

GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961

MICRORDER: SCINCOMORPHA CAMP, 1923

Incertae sedis

Gen. sp indet.

ORDER: ANGUIMORPHA FURBRINGER, 1900

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: XENOSAUIRA FURBRINGER, 1900

Family: XENOSAURIDAE Cope, 1886

Exostinus lancensis

INFRAORDER: OPHISAUROMORPHA ALIFANOV, 2000

Family: ANGUIDAE Gray, 1825

Subfamily: GLYPTOSAURINAE Marsh, 1872

Tribe: MELANOSAURINI Sullivan, 1979

Odaxosaurus piger

INFRAORDER: THECAGLOSSA COPE, 1890

PARVORDER: MONSTERSAURIA NORELL & GAO, 1977

Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)

Family: VARANIDAE Gray, 1827

Palaeosaniwa canadensis

Family: PARASANIWIDAE Estes, 1964

Colpodontosaurus cracens

Parasaniwa wyomingensis

SUPERORDER: SERPENTES LINNAEUS, 1759

ORDER: OPHIDIA BRONGNIART, 1800

SUBORDER: ALETHINOPHIDIA NOPCSCA, 1923

Superfamily: ANILIODEA Fitzinger, 1826

Family: ANILIIDAE Fitzenger, 1826

Coniophis precedens

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CHAMPSOSAURIDAE Cope, 1884

Incertae sedis

Champsosaurus sp

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

ORDER: Incertae sedis

Gen. sp indet.

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

ORDER: NEOTETANURAE SERENO, WILSON, LARSSON, DUTHEIL &

SUBORDER: CARNOSAURIA HUENE, 1920

Superfamily: Incertae sedis

Family: DRYPTOSAURIDAE Marsh, 1890

Dryptosaurus sp

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

SUBORDER: COELURIA MARSH, 1881

Superfamily: TYRANNOSAUROIDEA Osborn, 1906 (sensu Bonaparte et. al., 1990)

Family: TYRANNOSAURIDAE Osborn, 1906

Aublysodon mirandus
= Ornithomimus mirandus

SUBORDER: ORNITHOMIMOSAURIA BARSBOLD, 1976

Family: ORNITHOMIMIDAE Marsh, 1890

Ornithomimus sp

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Incertae sedis

Paronychodon lacustris

Family: DROMAEOSAURIDAE Russell, 1969

Incerate sedis

Gen. sp indet.

Family: TROODONTIDAE Gilmore, 1924

Troodon formosus
= Stenonychosaurus inequalis
= Saurornithoides inequalis
*Troodon bakkeri
= Pectinodon bakkeri

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

Family: THESCELOSAURIDAE Sternberg, 1937

Thescelosaurus neglectus
Thescelosaurus sp

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Incertae sedis

Gen. sp indet.

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Incertae sedis

Gen. sp indet.

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp

CLASS: AVES LINNAEUS, 1758

AVEBREVICAUDA PAUL, 2001

SUBCLASS: CARINATE MERREM, 1813

INFRACLASS: NEORNITHES GADOW, 1893

PARVCLASS: NEOGNATHAE PYCRAFT 1900

ORDER: CHARADRIIFORMES HUXLEY, 1867

SUBORDER: CHARADIIDINE (HUXLEY, 1867) FURBRINGER, 1888

Family: GRACULAVIDAE Furbringer, 1888

*Graculavus augustus

Family: CIMOLOPTERYGIDAE Brodkorb, 1963

*Cimolopteryx maxima
*Cimolopteryx petra

Gen. sp indet.

ORDER: ANSERIFORMES WAGLER, 1831

Family: PRESBYORNITHIDAE Wetmore, 1926

Incertae sedis

Undetermined species 2, 3, 4

Gen. sp indet.

ORDER: PELECANIFORMES SHARPE, 1891

Family: PHALACROCORACIDAE (Bonaparte, 1853)\

Gen. sp indet.

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

Incertae sedis

Gen. sp indet.

ORDER: MULTITUBERCULATA COPE, 1884

Incertae sedis

Gen. sp indet.

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma formosa
Mesodma thompsoni
Mesodma sp

Superfamily: Incertae sedis

Family: CIMOLOMYIDAE Marsh, 1889

Cimolomys gracilis

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

Incertae sedis

Gen sp indet.

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

Family: PEDIOMYIDAE Simpson, 1927

Pediomys hatcheri
= Protolambda hatcheri
Pediomys elegans
*Pediomys cooki
*Pediomys krejcii
Pediomys florencae

MAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997

ORDER: DIDELPHIMORPHIA GILL, 1872

Family: HERPETOTHERIIDAE Trouessart, 1879

Nortedelphys intermedius

Family: DIDELPHIDAE Gray 1821

Turgidodon rhaister
= Alaphadon rhaister

Subfamily: ALPHADONTIDAE Marshall, Case & Woodburne, 1990

Alphadon marshi

Protalphadon lulli

ORDER: PAUCITUBERCULATA AMEGHINO, 1894

Superfamily: CAROLOAMEGHINOIDEA Ameghino, 1901

Family: GLASBIIDAE Clemens, 1966

*Glasbius intricatus

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: FERAE LINNAEUS, 1758

ORDER: CIMOLESTA McKENNA, 1975

SUBORDER: DIDELPHODONTA McKENNA, 1975

Family: CIMOLESTIDAE Marsh, 1889

Cimolestes magnus
*Cimolestes stirtoni
Cimolestes incisus

ORDER: LIPOTYPHLA HAECKEL, 1866

SUBORDER: SORICOMORPHA GREGORY, 1910

Family: GEOLABIDIDAE McKenna, 1960

Batodon tenuis

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5713

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Prodesmodon copei

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CHAMPSOSAURIDAE Cope, 1884

Incertae sedis

Champsosaurus sp

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma thompsoni

Superfamily: Incertae sedis

Family: CIMOLOMYIDAE Marsh, 1889

Cimolomys gracilis

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

MAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997

ORDER: DIDELPHIMORPHIA GILL, 1872

Family: DIDELPHIDAE Gray 1821

Subfamily: ALPHADONTIDAE Marshall, Case & Woodburne, 1990

Alphadon marshi

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY 5714

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: TRIONYCHIDAE Bell, 1828

Aspideretes beecheri

Helopanoplia sp

Gen. sp indet.

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

ORDER: NEOTETANURAE SERENO, WILSON, LARSSON, DUTHEIL &

SUBORDER: CARNOSAURIA HUENE, 1920

Superfamily: Incertae sedis

Family: DRYPTOSAURIDAE Marsh, 1890

Dryptosaurus sp


WYOMING

NIOBARA COUNTY

UC LOCALITIY V-5715

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5717

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5718

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: NANHSIUNGCHELYIDAE Yeh, 1966

Basilemys sp


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

U.C. LOCALITY V-5719

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

ORDER: NEOTETANURAE SERENO, WILSON, LARSSON, DUTHEIL &

SUBORDER: CARNOSAURIA HUENE, 1920

Superfamily: Incertae sedis

Family: DRYPTOSAURIDAE Marsh, 1890

Dryptosaurus sp

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

QUARRY 9

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

MAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997

ORDER: PAUCITUBERCULATA AMEGHINO, 1894

Superfamily: CAROLOAMEGHINOIDEA Ameghino, 1901

Family: GLASBIIDAE Clemens, 1966

*Hatcheritherium alpha

WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5720

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: SALIENTIA LAURENTI, 1768

ORDER: ANURA RAFINESQUE, 1815

SUBORDER: MESOBATRACHIA LAURENT, 1979

Superfamily: PIPOIDEA Gray, 1825 (sensu Fitzinger, 1843)

Family: PALAEOBATRACHIDAE Cope, 1865

*Palaeobatrachus? occidentalis

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma sp



WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5815

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Opisthotriton kayi

Prodesmodon copei

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

SUPERORDER: SALIENTIA LAURENTI, 1768

ORDER: ANURA RAFINESQUE, 1815

SUBORDER: MESOBATRACHIA LAURENT, 1979

Superfamily: PELOBATOIDEA Stanius, 1856 , nom. corr. Spinar, 1971 (sensu Bolkay, 1919)

Family: PELOBATIDAE Stanius, 1856 , nom. corr. Spinar, 1971

Eopelobates sp

Gen. sp indet.

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: NEURANKYLIDAE Lambe, 1902

Compsemys victa
Compsemys sp

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: CHELYDROIDEA AGASSIZ, 1857

Family: CHELYDRIDAE Agassiz, 1857

Gen. sp indet.

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TESTUDINOIDEA Baur, 1893

Family: TRIONYCHIDAE Bell, 1828

Gen. sp indet.

Family: KINOSTERNIDAE

Gen. sp indet.

Family: EMYDIDAE Gray, 1825

Subfamily: EMYDINAE Gray, 1825

Gen. sp indet.

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: ASCALABOTA GILMORE, 1928

ORDER: IGUANIA LATREILLE, 1825

SUBORDER: DRACOMORPHA NORTHCUTT, 1978

INFRAORDER: TEIUMORPHA ALIFANOV, 2000

Family: TEIIDAE Gray, 1827

Subfamily: CHAMOPSINAE Denton & O’Neill 1995

Chamops segnis

Leptochamops denticulatus

Meniscognathus altmani

SUBORDER: ACRODONTIA COPE, 1864

INFRAORDER: AGAMOGNATHA EMEND ALIFANOV, 2000

PARVORDER: POLYGLYPHANODONTIA EMEND ALIFANOV, 2000

Family: POLYGLPHANODONTIDAE Gilmore, 1942

Haptosphenus placodon

GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961

MICRORDER: SCINCOMORPHA CAMP, 1923

ORDER: ANGUIMORPHA FURBRINGER, 1900

INFRAORDER: HELODERMOIDA COPE, 1900

Family: HELODERMATIDAE Gray, 1837

*Paraderma bogerti

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: OPHISAUROMORPHA ALIFANOV, 2000

Family: ANGUIDAE Gray, 1825

Subfamily: GLYPTOSAURINAE Marsh, 1872

Tribe: MELANOSAURINI Sullivan, 1979

Odaxosaurus piger

INFRAORDER: THECAGLOSSA COPE, 1890

PARVORDER: MONSTERSAURIA NORELL & GAO, 1977

Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)

Family: VARANIDAE Gray, 1827

Palaeosaniwa canadensis

Family: PARASANIWIDAE Estes, 1964

Parasaniwa wyomingensis

SUPERORDER: SERPENTES LINNAEUS, 1759

ORDER: OPHIDIA BRONGNIART, 1800

SUBORDER: ALETHINOPHIDIA NOPCSCA, 1923

Superfamily: ANILIODEA Fitzinger, 1826

Family: ANILIIDAE Fitzenger, 1826

Coniophis precedens

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CHAMPSOSAURIDAE Cope, 1884

Incertae sedis

Champsosaurus sp

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

ORDER: NEOTETANURAE SERENO, WILSON, LARSSON, DUTHEIL &

SUBORDER: CARNOSAURIA HUENE, 1920

Superfamily: Incertae sedis

Family: DRYPTOSAURIDAE Marsh, 1890

Dryptosaurus sp

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Incertae sedis

Paronychodon lacustris

Family: TROODONTIDAE Gilmore, 1924

Troodon bakkeri
= Pectinodon bakkeri

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

Family: THESCELOSAURIDAE Sternberg, 1937

Thescelosaurus neglectus
Thescelosaurus sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma thompsoni
Mesodma sp

Superfamily: Incertae sedis

Family: CIMOLOMYIDAE Marsh, 1889

Cimolomys gracilis

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

Incertae sedis

Gen sp indet.

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

Family: PEDIOMYIDAE Simpson, 1927

Pediomys hatcheri
= Protolambda hatcheri
Pediomys elegans
Pediomys cooki
Pediomys krejcii
Pediomys florencae

MAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997

ORDER: DIDELPHIMORPHIA GILL, 1872

Family: HERPETOTHERIIDAE Trouessart, 1879

Nortedelphys intermedius

Family: DIDELPHIDAE Gray 1821

*Turgidodon rhaister
= Alaphadon rhaister

Subfamily: ALPHADONTIDAE Marshall, Case & Woodburne, 1990

Alphadon marshi

Protalphadon lulli

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: FERAE LINNAEUS, 1758

ORDER: CIMOLESTA McKENNA, 1975

SUBORDER: DIDELPHODONTA McKENNA, 1975

Family: CIMOLESTIDAE Marsh, 1889

Cimolestes incisus

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBRARA COUNTY

U.C. LOCALITY V-5816

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALITY V-5817

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Opisthotriton kayi

Prodesmodon copei

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

SUPERORDER: SALIENTIA LAURENTI, 1768

ORDER: ANURA RAFINESQUE, 1815

SUBORDER: MESOBATRACHIA LAURENT, 1979

Superfamily: PELOBATOIDEA Stanius, 1856 , nom. corr. Spinar, 1971 (sensu Bolkay, 1919)

Family: PELOBATIDAE Stanius, 1856 , nom. corr. Spinar, 1971

Gen. sp indet.

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: CHELYDROIDEA AGASSIZ, 1857

Family: CHELYDRIDAE Agassiz, 1857

Gen. sp indet.

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: TRIONYCHIDAE Bell, 1828

Aspideretes beecheri

Plastomenus sp
Note: Plastomeninae ?

Gen. sp indet.

Superfamily: TESTUDINOIDEA Baur, 1893

Family: EMYDIDAE Gray, 1825

Subfamily: EMYDINAE Gray, 1825

Gen. sp indet.

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: ASCALABOTA GILMORE, 1928

ORDER: IGUANIA LATREILLE, 1825

SUBORDER: DRACOMORPHA NORTHCUTT, 1978

INFRAORDER: TEIUMORPHA ALIFANOV, 2000

Family: TEIIDAE Gray, 1827

Subfamily: CHAMOPSINAE Denton & O’Neill 1995

Meniscognathus altmani

SUBORDER: ACRODONTIA COPE, 1864

INFRAORDER: AGAMOGNATHA EMEND ALIFANOV, 2000

PARVORDER: POLYGLYPHANODONTIA EMEND ALIFANOV, 2000

Family: POLYGLPHANODONTIDAE Gilmore, 1942

Haptosphenus placodon

GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961

MICRORDER: SCINCOMORPHA CAMP, 1923

ORDER: ANGUIMORPHA FURBRINGER, 1900

SUBORDER: PLATYNOTA GILMORE, 1928

INFRAORDER: HELODERMOIDA COPE, 1900

Family: HELODERMATIDAE Gray, 1837

Paraderma bogerti

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: OPHISAUROMORPHA ALIFANOV, 2000

Family: ANGUIDAE Gray, 1825

Subfamily: GLYPTOSAURINAE Marsh, 1872

Tribe: MELANOSAURINI Sullivan, 1979

Odaxosaurus piger

INFRAORDER: THECAGLOSSA COPE, 1890

PARVORDER: MONSTERSAURIA NORELL & GAO, 1977

Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)

Family: PARASANIWIDAE Estes, 1964

Parasaniwa wyomingensis

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CHAMPSOSAURIDAE Cope, 1884

Incertae sedis

Champsosaurus sp

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa Montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

Incertae sedis

Gen. sp indet.

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma thompsoni
Mesodma sp

Superfamily: Incertae sedis

Family: CIMOLOMYIDAE Marsh, 1889

Cimolomys gracilis

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

Family: PEDIOMYIDAE Simpson, 1927

Pediomys hatcheri
= Protolambda hatcheri
Pediomys cooki
Pediomys florencae

MAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997

ORDER: DIDELPHIMORPHIA GILL, 1872

Family: DIDELPHIDAE Gray 1821

Subfamily: ALPHADONTIDAE Marshall, Case & Woodburne, 1990

Alphadon marshi

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: FERAE LINNAEUS, 1758

ORDER: CIMOLESTA McKENNA, 1975

SUBORDER: DIDELPHODONTA McKENNA, 1975

Family: CIMOLESTIDAE Marsh, 1889

Cimolestes incisus

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBARA COUNTY

UC LOCALITIY V-5818

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus


WYOMING

NIOBRARA COUNTY

U.C. LOCALITY V-5819

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Gen. sp indet.

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: MACROBAENIDAE Sukarou, 1964

Clemmys backmani

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

Mesodma thompsoni

Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCAITY V-5820

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Subfamily: BAENINAE Cope, 1882 (sensu Williams, 1950)

Baena sp

Gen. sp indet.

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: CHELYDROIDEA AGASSIZ, 1857

Family: CHELYDRIDAE Agassiz, 1857

Gen. sp indet.

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: TRIONYCHIDAE Bell, 1828

Aspideretes beecheri

Helopanoplia sp

Plastomenus sp
Note: Plastomeninae ?

Gen. sp indet.

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: PEDIOMYIDAE Simpson, 1927

*Pediomys florencae


WYOMING

LOCALITY V-5825

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA BENTON, 1983

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA, OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961

MICRORDER: SCINCOMORPHA CAMP, 1923

ORDER: ANGUIMORPHA FURBRINGER, 1900

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: THECAGLOSSA COPE, 1890

PARVORDER: MONSTERSAURIA NORELL & GAO, 1977

Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)

Family: PARASANIWIDAE Estes, 1964

Colpodontosaurus cracens


WYOMING

NIOBARA COUNTY

UC LOCALITIY V-5875

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Subfamily: BAENINAE Cope, 1882 (sensu Williams, 1950)

Gen. sp indet.

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana


WYOMING

NIOBARA COUNTY

UC LOCALITIY V-5918

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

ORDER: NEOTETANURAE SERENO, WILSON, LARSSON, DUTHEIL &

SUBORDER: CARNOSAURIA HUENE, 1920

Superfamily: Incertae sedis

Family: DRYPTOSAURIDAE Marsh, 1890

Dryptosaurus sp

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Incertae sedis

Paronychodon lacustris

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp


WYOMING

NIOBARA COUNTY

UC LOCALITIY V-5919

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana


WYOMING

NIOBARA COUNTY

UC LOCALITIY V-5920

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

Family: PEDIOMYIDAE Simpson, 1927

Pediomys florencae


WYOMING

NIOBRARA COUNTY

POWDER RIVER BASIN

UC LOCALTY V-5921

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

____________________________________________________________________________________

WYOMING

NIOBARA COUNTY

UC LOCALITIY V-5922

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp


WYOMING

NIOBRARA COUNTY

ZERBST RANCH

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

ICHNOSTEM: TETRAPODIPIDA NOVA

ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA

ICHNOCLASS: REPTILIPEDIA VIALOV, 1966

ICHNOSUBCLASS: DIAPSIDIPIDII NOVA

ICHNOSTEM-GROUP: NEODIAPSIDIPEDII NOVA

ICHNOINFRACLASS: NEODIAPSIDIPEDII NOVA

ICHNOSUBDIVISION: ARCHOSAURIPEDIDII NOVA

ICHNOLEGION: DINOSAUROMORPHIPEDA NOVA

ICHNOSUBLEGION: DINOSAURIFORMEIPEDIDII NOVA

ICHNOSUPERCOHORT: DINOSAUROPEDIDA NOVA

ICHNOCOHORT: THEROPODIPEDIA NOVA

Incerate sedis

*Saurexallopus zerbstorum

ICHNOSUPERORDER: NEOTHEROPODOPEDIDA NOVA

ICHNOORDER: NEOTETANURIPEDIDII NOVA

ICHNOSUBORDER: AVETHEROPODIPIDA NOVA

ICHNOMICRORDER: COELUROSAURIPIDIDA NOVA

ICHNOORDER: MANIRAPTORFORMIPIDA NOVA

ICHNOSUBORDER: COELURIPIDA NOVA

Ichnosuperfamily: TYRANNOSAUROIPIDEA Nova

Ichnofamily: TYRANNOSAURIPODIDAE emend Vylov, 1988

Tyrannosauripus sp

ICHNOSUBORDER: ORNITHOMIMOSAUROPIDA NOVA

Family: ORNITHIMIMIOPIDIDAE NOVA

Ornithomimipus sp

ICHNOCOHORT: ORNITHISCHIFORMEIPIDA NOVA

ICHNOMAGNORDER: ORNITHISCHIPIDA NOVA

ICHNOSUPERORDER: NEORNITHISCHIPIDA NOVA

ICHNOGRANDORDER: ORNITHOPODIPDIA NOVA

ICHNOMICRORDER: EUORNITHOPODIPIDA NOVA

ICHNOORDER: IGUANODONTIPIDIA NOVA

ICHNOSUBORDER: ANKYLOPOLLEXIPEDIDA NOVA

ICHNOINFRAORDER: STYRACOSTERNIPIDA NOVA

ICHNOPARVORDER: HADROSAURIFORMIPEDIDA NOVA

ICHNOSUPERFAMILY: HADROSAUROIDIPEDIA NOVA

Ichnofamily: HADROSAURIOPDIDAE Vylov, 1988

*Hadrosauropodus langstoni

INCHNOCLASS: AVIPEDIA VIALOV, 1966

Incertae sedis

*Sarjeantopodus semipalmatus (Morphotype A)

Gen. sp indet

Morphotype B

Morphotype C

Morphotype D

WYOMING

NIOBRARA COUNTY

ZERBST LOCALITY

SDSM LOCALITY V851

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Opisthotriton kayi

Prodesmodon copei

SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931

Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959

Scapherpeton tectum

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

Incertae sedis

Genus sp indet.

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Incertae sedis

Gen. sp indet.

Family: NEURANKYLIDAE Lambe, 1902

Compsemys victa

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: NANHSIUNGCHELYIDAE Yeh, 1966

Basilemys sp

Family: TRIONYCHIDAE Bell, 1828

Helopanoplia distincta

Gen. sp indet

Family: ADOCIDAE Cope, 1870

Adocus sp

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: ASCALABOTA GILMORE, 1928

ORDER: IGUANIA LATREILLE, 1825

SUBORDER: DRACOMORPHA NORTHCUTT, 1978

INFRAORDER: TEIUMORPHA ALIFANOV, 2000

Family: TEIIDAE Gray, 1827

Subfamily: CHAMOPSINAE Denton & O’Neill 1995

Chamops segnis

GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961

MICRORDER: SCINCOMORPHA CAMP, 1923

ORDER: ANGUIMORPHA FURBRINGER, 1900

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: THECAGLOSSA COPE, 1890

PARVORDER: MONSTERSAURIA NORELL & GAO, 1977

Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)

Family: VARANIDAE Gray, 1827

Palaeosaniwa canadensis

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CHAMPSOSAURIDAE Cope, 1884

Champsosaurus cf, laramiensis

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

Incertae sedis

Gen sp indet.

ORDER: EUSUCHIA emend HUXLEY, 1875

Family: BOREALOSUCHIDAE emend BROCHU, 1999

Borealosuchus sternbergii
= Leidyosuchus sternbergii

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

ORDER: Incertae sedis

Gen. sp indet.

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

SUBORDER: COELURIA MARSH, 1881

Superfamily: TYRANNOSAUROIDEA Osborn, 1906 (sensu Bonaparte et. al., 1990)

Family: TYRANNOSAURIDAE Osborn, 1906

Subfamily: TYRANNOSAURINAE Osborn, 1906

Tribe: TYRANNOSAURINI Osborn, 1906 (sensu Olshevsky, Ford & Yamamoto, 1995)

Tyrannosaurus rex

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Incertae sedis

Paronychodon lacustris

Family: DROMAEOSAURIDAE Russell, 1969

Incerate sedis

Gen. sp indet.

Family: TROODONTIDAE Gilmore, 1924

Troodon formosus
= Stenonychosaurus inequalis
= Saurornithoides inequalis

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

Family: THESCELOSAURIDAE Sternberg, 1937

Thescelosaurus sp

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Incertae sedis

Gen. sp indet.

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp

SUPERORDER: EURYOPDA SERENO, 1986

GRANDORDER: ARMATOSAURIA ZHAO, 1983 (emend)

ORDER: ANKYLOSAURIA OSBORN, 1923

SUBORDER: SCELIDOSAURIA COOPER, 1985

INFRAORDER: ANKYLOSAURA OSBORN, 1923

Family: NODOSAURIDAE Marsh, 1890

Subfamily: EDMONTONIINAE Russell, 1940

Edmontonia sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

Family: PEDIOMYIDAE Simpson, 1927

Pediomys sp

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: FERAE LINNAEUS, 1758

ORDER: CIMOLESTA McKENNA, 1975

SUBORDER: DIDELPHODONTA McKENNA, 1975

Family: CIMOLESTIDAE Marsh, 1889

Cimolestes sp


WYOMING

NIOBRARA COUNTY

ZERBST HADROSAUR LEVEL

SDSM LOCALITY V851A

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: PORTEOIDEA (NOBEL 1931) EMEND EDWARDS, 1976

Family: BATRACHOSAUROIDIDAE Auffenberg, 1958

Opisthotriton kayi

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Incertae sedis

Gen. sp indet.

Family: NEURANKYLIDAE Lambe, 1902

Compsemys victa

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: TRIONYCHIDAE Bell, 1828

Gen. sp indet.

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CHAMPSOSAURIDAE Cope, 1884

Champsosaurus laramiensis

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

Incertae sedis

Gen sp indet.

ORDER: EUSUCHIA emend HUXLEY, 1875

Family: BOREALOSUCHIDAE emend BROCHU, 1999

Borealosuchus sternbergii
= Leidyosuchus sternbergii

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp


WYOMING

NIOBRARA COUNTY

ZERBST HADROSAUR LEVEL

SDSM LOCALITY V851B

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LISSAMPHIBIA, HAECKEL, 1866?

SUPERORDER: BATRACHIA BRONGNIART, 1800

ORDER: CAUDATA SCOPOLI, 1777

SUBORDER: SALAMANDROIDEA NOBLE, 1931

Family: SIRENIDAE Gray, 1825

Habrosaurus dilatus

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Family: DROMAEOSAURIDAE Russell, 1969

Incerate sedis

Gen. sp indet.

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp


WYOMING

NIOBRARA COUNTY

HANSON LOCALITY

SDSM LOCALITY V852

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Incertae sedis

Gen. sp indet.

Family: NEURANKYLIDAE Lambe, 1902

Compsemys victa

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: NANHSIUNGCHELYIDAE Yeh, 1966

Basilemys sp

Family: ADOCIDAE Cope, 1870

Adocus sp

Family: TRIONYCHIDAE Bell, 1828

Gen. sp indet.

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

Incertae sedis

Gen. sp indet.

ORDER: EUSUCHIA emend HUXLEY, 1875

Family: BOREALOSUCHIDAE emend BROCHU, 1999

Borealosuchus sternbergii
= Leidyosuchus sternbergii

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

ORDER: Incertae sedis

Gen. sp indet.

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Incertae sedis

Paronychodon lacustris

Family: DROMAEOSAURIDAE Russell, 1969

Incerate sedis

Gen. sp indet.

Family: TROODONTIDAE Gilmore, 1924

Troodon formosus
= Stenonychosaurus inequalis
= Saurornithoides inequalis

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

Family: THESCELOSAURIDAE Sternberg, 1937

Thescelosaurus sp

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Incertae sedis

Gen. sp indet.

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp

SUPERORDER: EURYOPDA SERENO, 1986

GRANDORDER: ARMATOSAURIA ZHAO, 1983 (emend)

ORDER: ANKYLOSAURIA OSBORN, 1923

SUBORDER: SCELIDOSAURIA COOPER, 1985

INFRAORDER: ANKYLOSAURA OSBORN, 1923

Family: NODOSAURIDAE Marsh, 1890

Subfamily: EDMONTONIINAE Russell, 1940

Edmontonia sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

Family: PEDIOMYIDAE Simpson, 1927

Pediomys hatcheri
= Protolambda hatcheri


WYOMING

NIOBRARA COUNTY

SDSM LOCALITY V852

LEONARD’S LIZARD SITE

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Incertae sedis

Paronychodon lacustris
____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

LEONARD’S LIZARD SITE

SDSM LOCALITY V853

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Incertae sedis

Gen. sp indet.

Family: NEURANKYLIDAE Lambe, 1902

Compsemys victa

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: TRIONYCHIDAE Bell, 1828

Helopanoplia distincta

Gen. sp indet.

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

Incertae sedis

Gen. sp indet.

ORDER: EUSUCHIA emend HUXLEY, 1875

Family: BOREALOSUCHIDAE emend BROCHU, 1999

Borealosuchus sternbergii
= Leidyosuchus sternbergii

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

ORDER: Incertae sedis

Gen. sp indet.

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Family: DROMAEOSAURIDAE Russell, 1969

Incerate sedis

Gen. sp indet.

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Incertae sedis

Gen. sp indet.

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp


WYOMING

NIOBRARA COUNTY

LANCE CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Superfamily: Incertae sedis

Family: CIMOLOMYIDAE Marsh, 1889

Cimolomys sp

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus sp

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

MAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997

ORDER: DIDELPHIMORPHIA GILL, 1872

Family: HERPETOTHERIIDAE Trouessart, 1879

Nortedelphys intermedius
Nortedelphys minimus


WYOMING

NIOBRARA COUNTY

BEECHER’S QUARRY

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus


WYOMING

NIOBRARA COUNTY

GREASEWOOD CREEK LOCALITY

SDSM LOCALITY V685

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

Incertae sedis

Genus sp indet.

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Incertae sedis

Gen. sp indet.

Family: NEURANKYLIDAE Lambe, 1902

Compsemys victa

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: TRIONYCHIDAE Bell, 1828

Helopanoplia distincta

Gen. sp indet.

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CHAMPSOSAURIDAE Cope, 1884

Champsosaurus laramiensis

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

Family: BOREALOSUCHIDAE emend BROCHU, 1999

Borealosuchus sternbergii
= Leidyosuchus sternbergii

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Gray, 1844 ( sensu Buffetaut, 1985)

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969

Incertae sedis

Paronychodon lacustris

Family: DROMAEOSAURIDAE Russell, 1969

Incerate sedis

Gen. sp indet.

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

Family: THESCELOSAURIDAE Sternberg, 1937

Thescelosaurus sp

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: PEDIOMYIDAE Simpson, 1927

Pediomys cf. P. krejcii


WYOMING

NIOBRARA COUNTY

LANCE CREEK

“PETERSON’S QUARRY”

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: ASCALABOTA GILMORE, 1928

ORDER: IGUANIA LATREILLE, 1825

SUBORDER: DRACOMORPHA NORTHCUTT, 1978

INFRAORDER: TEIUMORPHA ALIFANOV, 2000

Family: TEIIDAE Gray, 1827

Subfamily: CHAMOPSINAE Denton & O’Neill 1995

*Leptochamops denticulatus

GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961

MICRORDER: SCINCOMORPHA CAMP, 1923

ORDER: ANGUIMORPHA FURBRINGER, 1900

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: XENOSAUIRA FURBRINGER, 1900

Family: XENOSAURIDAE Cope, 1886

Exostinus lancensis
= *Harpaosaurus pervus

INFRAORDER: OPHISAUROMORPHA ALIFANOV, 2000

Family: ANGUIDAE Gray, 1825

Subfamily: GLYPTOSAURINAE Marsh, 1872

Tribe: MELANOSAURINI Sullivan, 1979

*Odaxosaurus piger
= *Pancelosaurus piger

INFRAORDER: THECAGLOSSA COPE, 1890

PARVORDER: MONSTERSAURIA NORELL & GAO, 1977

Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)

Family: VARANIDAE Gray, 1827

Palaeosaniwa canadensis
= *Megasaurus robustus

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: THERIIFORMES (ROWE, 1988) McKENNA & BELL, 1997

INFRACLASS: ALLOTHERIA (MARSH, 1880) McKENNA & BELL, 1997

ORDER: MULTITUBERCULATA COPE, 1884

SUBORDER: CIMOLODONTA McKENNA, 1975

Superfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon nitidus

Family: PTILODONTIDAE Cope, 1887 (sensu McKenna & Bell, 1997)

Subfamily: NEOPLAGIAULACINAE Ameghino, 1890 (sensu McKenna & Bell, 1997)

*Mesodma formosa

Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRECHNOTHERIA McKENNA, 1975

LEGION: CLADOTHERIA McKENNA, 1975

SUBLEGION: ZATHERIA MCKENNA, 1975

INFRALEGION: TRIBOSPHENIDA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERCOHORT: THERIA (PARKER & HASWELL, 1987) McKENNA & BELL, 1997

COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997

MAGNORDER: EPITHERIA (McKENNA, 1975) McKENNA & BELL, 1997

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus


WYOMING

NIOBRARA COUNTY

HANSON LOCALITY

SDSM LOCAILTY V952

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CHAMPSOSAURIDAE Cope, 1884

Champsosaurus laramiensis


WYOMING

NIOBRARA COUNTY

UCM LOCALITY 79016

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: EURYOPDA SERENO, 1986

GRANDORDER: ARMATOSAURIA ZHAO, 1983 (emend)

ORDER: ANKYLOSAURIA OSBORN, 1923

SUBORDER: SCELIDOSAURIA COOPER, 1985

INFRAORDER: ANKYLOSAURA OSBORN, 1923

Family: NODOSAURIDAE Marsh, 1890

Subfamily: EDMONTONIINAE Russell, 1940

Edmontonia sp
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

UCMP V65238

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Gen. sp indet.

Family: NEURANKYLIDAE Lambe, 1902

Compsemys sp

MICRORDER: CENTROCRYPTODIRA GAFFNEY & MEYLAN, 1988

ORDER: POLYCRPTODIRA GAFFNEY & MEYLAN, 1988

SUBORDER: CHELYDROIDEA AGASSIZ, 1857

Family: CHELYDRIDAE Agassiz, 1857

Gen. sp indet.

SUBORDER: PROCOELOCRYPTODIRA GAFFNEY & MEYLAN, 1988

INFRAORDER: CHELOMACRYPTODIRA GAFFNEY & MEYLAN, 1988

PARVORDER: TRIONYCHIDA GRAY, 1870

Superfamily: TRIONYCHIDEA Bell, 1828 (sensu Gray, 1870)

Family: NANHSIUNGCHELYIDAE Yeh, 1966

Basilemys sp

Family: MACROBAENIDAE Sukarou, 1964

Clemmys backmani

Family: TRIONYCHIDAE Bell, 1828

Aspideretes sp

Helopanoplia sp

Plastomenus sp
Note: Plastomeninae A?

Gen. sp indet.

Family: ADOCIDAE Cope, 1870

Adocus sp

Family: KINOSTERNIDAE

Gen. sp indet.

CLASS: AVES LINNAEUS, 1758

AVEBREVICAUDA PAUL, 2001

SUBCLASS: CARINATE MERREM, 1813

INFRACLASS: NEORNITHES GADOW, 1893

PARVCLASS: NEOGNATHAE PYCRAFT 1900

ORDER: PSITTAIFORMES

Incertae sedis

Gen. sp indet.


WYOMING

NIOBRARA COUNTY

HEAD OF MULE CREEK

LOWER PIERRE FORMATION

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA BENTON, 1983

SUBLEGION: LEPIDOSAURIA HAECKEL, 1866 (DUMERIL & BIBRON, 1839)

MAGNORDER: SQUAMATA, OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961

MICRORDER: SCINCOMORPHA CAMP, 1923

ORDER: ANGUIMORPHA FURBRINGER, 1900

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: THECAGLOSSA COPE, 1890

PARVORDER: MONSTERSAURIA NORELL & GAO, 1977

Superfamily: VARANOIDEA Gray, 1827 (sensu Camp, 1923)

Family: MOSASAURIDAE Gervais, 1853

Infrafamily: NATANIA

Subfamily: RUSSELLOSAURINAE

Tribe: PLIOPLATECARPINI Dollo, 1884 (sensu Russell, 1967)

Platecarpus sp


WYOMING

NIOBRARA COUNTY

CHEYENNE RIVER

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: CROCODILOIDEA Cuvier, 1807 (sensu Fitzinger, 1826)

Family: CROCODYLIDAE Cuvier, 1807

*Prodiplocynodon langi


WYOMING

NIOBRARA COUNTY

SEVEN MILE CREEK

ABOUT 40 M NW OF EDGEMONT

SOUTH DAKOTA

HELL CREEK FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

COHORT: CASICHELYDIA emend GAFFNEY & MEYLAN, 1988

MAGANORDER: CRYPTODIRA GAFFNEY & MEYLAN, 1988

SUPERORDER: SELMACRYPTODIRA GAFFNEY, HUTCHISON, JENKINS & MEEKR, 1987

GRANDORDER: DAIOCRYPTODIRA GAFFNEY & MEYLAN, 1988

MICRORDER: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Subfamily: HAYEMYDINAE Gaffney, 1972

*Hayemys latifrons
= Eubaena latifrons

Family: NEURANKYLIDAE Lambe, 1902

*Thescelus insiliens


WYOMING

NIOBRARA COUNTY

SEVEN MILE CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Anatosaurus annectens

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: PACHYCEPHALOSAURIA MARYANSKA & OSMOLSKA, 1974

SUBORDER: DOMOCEPHALINIA SERENO, 1986

INFRAORDER: PACHYCEPHALOSAURIA (MARYANSKA & OSMOLSKA, 1974) COOPER, 1985

Family: PACHYCEPHALOSAURIDAE Sternberg, 1945

Subfamily: PACHYCEPHALOSAURINAE Sternberg, 1945 (sensu Sereno, 1998)

Pachycephalosaurus wyomingensis

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops horridus
= Triceratops elatus
____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

7 M N OF SHELDON’S RANCH

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Anatosaurus annectens
____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

C.A. SHELDON RANCH

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

SCHNEIDER CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Edmontosaurus sp

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops sp
____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

NEAR SCHNIDER CREEK

LARAMIE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: MARGINOCEPHALIA SERENO, 1986

ORDER: CERATOPIA MARSH, 1890

SUBORDER: NEOCERATOPIA SERENO, 1986

INFRAORDER: CORONOSAURIA SERENO, 1986

PARVORDER: CERATOPOMORPHA Wolfe & Kirkland, 1998 (emend)

Superfamily: CERATOPOIDEA Marsh, 1888 (sensu Hay, 1902)

Family: CERATOPIDAE Marsh, 1888

Subfamily: CERATOPIINAE Marsh, 1888 (sensu Abel, 1919)

Tribe: TRICERATOPINI nova

Triceratops prorsus
_____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

S SCHNEIDER CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: EDMONTOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Anatosaurus annectens
____________________________________________________________________________________

WYOMING

NIOBRARA COUNTY

SNYDER CREEK

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: THEROPODA EMEND MARSH, 1881

AVEPODA PAUL, 2002

SUPERORDER: NEOTHEROPODA BAKKER, 1986

GRANDORDER: TETANURAE GAUTHIER, 1986

MICRORDER: COELUROSAURIA HUENE, 1914

ORDER: MANIRAPTORFORMES HOLTZ, 1996

AVETHEROPODA PAUL, 2001

SUBORDER: COELURIA MARSH, 1881

Superfamily: TYRANNOSAUROIDEA Osborn, 1906 (sensu Bonaparte et. al., 1990)

Family: TYRANNOSAURIDAE Osborn, 1906

Subfamily: TYRANNOSAURINAE Osborn, 1906

Tribe: TYRANNOSAURINI Osborn, 1906 (sensu Olshevsky, Ford & Yamamoto, 1995)

Tyrannosaurus rex
Tyrannosaurus sp