MONTANA/WYOMING BORDER

ELK BASIN

WELL 1, 2, 3

CLAGGETT FORMATION

CAMPANIAN STAGE

SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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

Gen. sp indet.

_____________________________________________________________________________________

MONTANA

JR 129

JUDITH RIVER FORMATION

JUDITHIAN AGE

UPPER CAMPANIAN STAGE

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

Incertae sedis

Gen. sp indet

_____________________________________________________________________________________

MONTANA

BRANVOLD SITE

TWO MEDICINE FORMATION

JUDITHIAN AGE

UPPER CAMPANIAN STAGE

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

ICHNOINFRADIVISION: CROCODYLOTARSIPEDIDII NOVA

ICHNOSUPERORDER: CROCODYLOMORPHIPEDIDA WALKER, 1968

Incertae sedis

Gen. sp indet.

_____________________________________________________________________________________

MONTANA

LAMBERT SITE

GROAT SANDSTONE

PIERRE SHALE

CAMPANIAN STAGE

SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

ICHNOSTEM: TETRAPODIPIDA NOVA

ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA

INCHNOCLASS: AVIPEDIA VIALOV, 1966

Incertae sedis

Gen. sp indet.

_____________________________________________________________________________________

MONTANA

QUINN SITE

TWO MEDICINE FORMATION

JUDITHIAN AGE

UPPER CAMPANIAN STAGE

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: 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.

 

MONTANA

VARRICHO SITE 1

TWO MEDICINE FORMATION

JUDITHIAN AGE

UPPER CAMPANIAN STAGE

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: 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.

 

MONTANA

VARRICHO SITE 2

TWO MEDICINE FORMATION

JUDITHIAN AGE

UPPER CAMPANIAN STAGE

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: 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.

 

MONTANA

VARRICHO SITE 3

HELL CREEK FORMATION

LANCIAN AGE

MAASTRICHTAN STAGE

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: ORNITHISCHIFORMEIPIDA NOVA

ICHNOMAGNORDER: ORNITHISCHIPIDA NOVA

ICHNOSUPERORDER: NEORNITHISCHIPIDA NOVA

ICHNOGRANDORDER: ORNITHOPODIPDIA NOVA

ICHNOMICRORDER: MARGINOCEPHALIPIDA SERENO, 1986

INCHNOORDER: CERATOPIAIPIDA NOVA

ICHNOSUBORDER: NEOCERATOPIAIPIDA NOVA

ICHNOINFRAORDER: CORONOSAURIPIDA emend SERENO, 1986

ICHNOPARVORDER: CERATOPOMORPIDA NOVA

ICHNOORDER: CERATOPIPIDA MARSH, 1890

ICHNOSUBORDER: NEOCERATOPIPIDA NOVA

Ichnofamily: CERATOPOPIDII Nova

Gen. sp indet.

 

MONTANA

UNKNOWN

HELL CREEK 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: NEURANKYLIDAE Lambe, 1902

Boremys sp

_____________________________________________________________________________________

NORTHCENTRAL MONTANA

KENNEDY COULEE

JUDITH RIVER FORMATION

JUDITHIAN AGE

CAMPANIAN STAGE

SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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: MAIASAURINI nova

Brachylophosaurus nova

Tribe: KRITOSAURINI nova

Gryposaurus nova

_____________________________________________________________________________________

MONTANA

AFTERNOON DELIGHT

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: DIAPSIDA OSBORN, 1904

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

_____________________________________________________________________________________

MONTANA

NEAR NELSON CREEK

SIERRRA SKULL

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: DIAPSIDA OSBORN, 1904

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

_____________________________________________________________________________________

MONTANA

RUSSELL BASIN

LOCALITY: UCMP V88081

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: DIAPSIDA OSBORN, 1904

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

_____________________________________________________________________________________

MONTANA

HIGH TRICERATOPS

UCMP V88001

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: DIAPSIDA OSBORN, 1904

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

_____________________________________________________________________________________

MONTANA

MARK’S TRIKE II SITE

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: DIAPSIDA OSBORN, 1904

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

_____________________________________________________________________________________

" MONTANA"

“NEAR FORT PECK”

HELL CREEK 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

*Peckemys brinkman

_____________________________________________________________________________________

MONTANA

BAENID BADLANDS

HELL CREEK 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

Peckemys brinkman

_____________________________________________________________________________________

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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: CENTROSAURINAE Lambe, 1915

Genus nova

MEMBER?

MORRISON FORMATION

ZONE ?

AGE ?

STAGE ?

MALM EPOCH

LATE JURASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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

SUPERORDER: SAUROPODOMORPHA HUENE, 1932

GRANDORDER: BRONTOSAURIA OLSHEVSKY, 1991 (emend)

MICRORDER: SAUROPODA MARSH, 1878

ORDER: EUSAUROPODA

SUBORDER: NEOSAUROPODA BONAPARTE, 1986

INFRAORDER: HOMALOSAUROPIA JANENSCH, 1929

PARVORDER: DIPLODOCIMORPHA CALVO & SALGADO, 1995

Superfamily: DIPLODOCOIDEA Marsh, 1884 (sensu Upchurch, 1995)

Family: DIPLODOCIDAE Marsh, 1884

Subfamily: DIPLODOCINAE Marsh, 1884 (sensu Janensch, 1929)

Genus nova

MEMBER?

MORRISON FORMATION

ZONE ?

AGE ?

STAGE ?

MALM EPOCH

LATE JURASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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

SUPERORDER: SAUROPODOMORPHA HUENE, 1932

GRANDORDER: BRONTOSAURIA OLSHEVSKY, 1991 (emend)

MICRORDER: SAUROPODA MARSH, 1878

ORDER: EUSAUROPODA

SUBORDER: NEOSAUROPODA BONAPARTE, 1986

INFRAORDER: HOMALOSAUROPIA JANENSCH, 1929

PARVORDER: DIPLODOCIMORPHA CALVO & SALGADO, 1995

Superfamily: DIPLODOCOIDEA Marsh, 1884 (sensu Upchurch, 1995)

Family: DIPLODOCIDAE Marsh, 1884

Subfamily: DIPLODOCINAE Marsh, 1884 (sensu Janensch, 1929)

Incertae sedis

Gen. sp indet.
Note: Skeletal remains of juveniles of either an Apatosaurus or Diplodocus.

10 M W OF AMELL’S CREEK

FOX HILLS FORMATION

MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

INFRACLASS: EURYAPSIDA COLBERT, 1945

SUPERORDER: SAUROPTERYGIA OWEN 1860

GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994

ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835

Incertae sedis

*Uronautes cetiformis

EARLY CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

INFRACLASS: EURYAPSIDA COLBERT, 1945

SUPERORDER: SAUROPTERYGIA OWEN, 1860

GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994

ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835

SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835

INFRAORDER: PLIOSAUROMORPHA NOVA

Superfamily: PLIOSAUROIDEA Seeley, 1874

Family: PLIOSAURIDAE Seeley, 1874

Genus nova

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: PALATOBAENINAE Gaffney, 1972

Palatobaena bairdi

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

Incertae sedis

Gen. sp indet.

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

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

OOCOHORT: ORNITHISCHIFORMES NOVA

OOMAGNORDER: ORNITHISCHIA SEELEY, 1888

oofamily: SPHEROOLITHIDAE Zhao, 1979

Gen. sp indet.
Note: Indeterminate dinosaur, Hypsilophodont, Hadrosaur

____________________________________________________________________________________

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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

____________________________________________________________________________________

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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

BEARTOOTH PLATEAU

STRICKLAND CREEK SITE

MEMBER?

MORRISON FORMATION

ZONE?

AGE?

STAGE?

EPOCH?

LATE JURASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: CHELONOMORPHA KUHN, 1960

SUPERCOHORT: TESTUDINES LINNAEUS, 1758

Incertae sedis

Gen. sp indet.

JUDITH RIVER REGION

BEARPAW FORMATION

MIDDLE CAMPANIAN STAGE

UPPER SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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: MOSASAURINAE Gervais, 1853 (sensu Williston, 1897)

Tribe: MOSASAURINI Gervais, 1853 (sensu Russell, 1967)

Mosasaurus sp

PIERRE FORMATION

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

INFRACLASS: EURYAPSIDA COLBERT, 1945

SUPERORDER: SAUROPTERYGIA OWEN 1860

GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994

ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835

SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835

INFRAORDER: PLESIOSAUROMORPHA NOVA

EUPLESIOSAURIA O’KEEFE, 2001

Superfamily: ELASMOSAUROIDEA Cope, 1869

Family: ELASMOSAURIDAE Cope, 1869

Elasmosaurus platyurus

4 M E OF JUDITH RIVER

DOG CREEK (?)

JUDITH RIVER FORMATION

JUDITHIAN AGE

CAMPANIAN STAGE

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

Incertae sedis

Gen. sp indet.

UNIT V

CLOVERLY FORMATION

CASHENRANCHIAN

APTIAN-ALBIAN STAGE

MIDDLE GALLIC SUBEPOCH

LOWER CRETACEOUS EPOCH

EARLY CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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: HYPSILOPHODONTIA COOPER, 1983

Family: HYPSILOPHODONTIDAE Dollo, 1882

Subfamily: ZEPHYROSAURINAE

Zephyrosaurus schaffi

UNIT VII

CLOVERLY FORMATION

CASHENRANCHIAN

APTIAN-ALBIAN STAGE

MIDDLE GALLIC SUBEPOCH

LOWER CRETACEOUS EPOCH

EARLY CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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

Genus Nova

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: HYPSILOPHODONTIA COOPER, 1983

Family: HYPSILOPHODONTIDAE Dollo, 1882

Subfamily: ZEPHYROSAURINAE

Zephyrosaurus schaffi

JUDITH RIVER FORMATION

JUDITHIAN AGE

CAMPANIAN STAGE

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

Lisserpeton bairdi

*Scapherpeton tectum
= *Hemitrypus jordanianus
= *Scapherpeton excisum
= *Scapherpeton favosum
= *Scapherpeton laticolle

SUPERORDER: SALIENTIA LAURENTI, 1768

Incertae sedis

Gen. sp indet.

ORDER: ANURA RAFINESQUE, 1815

SUBORDER: DISCOGLOSSOIDEI SOKOL, 1977

Family: DISCOGLOSSIDAE Guenther, 1859

Incertae sedis

Gen. sp indet.
A
B
C

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: BAENOIDEA WILLIAMS, 1960

Family: BAENIDAE Cope, 1882

Incertae sedis

*Polythorax missuriensis

Gen sp indet.

Family: NEURANKYLIDAE Lambe, 1902

Neurankylus eximius
= *Charitemys captans
= Chisternon captans

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

Aspideretes beecheri

Trionyx sp

Superfamily: TESTUDINOIDEA Baur, 1893

Family: EMYDIDAE Gray, 1825

Subfamily: EMYDINAE Gray, 1825

*Gyremys spectabilis

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CHAMPSOSAURIDAE Cope, 1884

*Champsosaurus vaccinsulensis
= Plesiosaurus vaccinsulensis
Champsosaurus natator
= ?*Champsosaurus annectens
= ?*Champsosaurus profundus
= ?*Champsosaurus breficollis
= *Champsosaurus inflatus

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.

ORDER: EUSUCHIA emend HUXLEY, 1875

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Buffetaut, 1985

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis
= Crocodilus humilis

PARVORDER: GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Subfamily: ALLIGATORINAE Gray, 1844 (sensu Kalin, 1940)

Akanthosuchus? langstoni

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 lateralis
= Deinodon lateralis
= Dromaeosaurus lateralis

Deinodon horridus
= Gorgosaurus horridus
= Megalosaurus horridus

Gen. sp indet

Subfamily: ALBERTOSAURINAE Currie, Hurum & Sabath, 2003

Gorgosaurus libratus
= Laelaps incrassatus
= Deinodon incrassatus
= Dryptosaurus incrassatus
= *Laelaps falculus
= Deinodon falculus
= Dromaeosaurus falculus
= Dryptosaurus falculus
= *Laelaps hazenianus
= Deinodon hazenianus
= Dryptosaurus hazenianus
= *Dryptosaurus kenabekides

Subfamily: TYRANNOSAURINAE Osborn, 1906

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

Daspletosaurus nova

AVEPECTORA PAUL, 2001

SUBORDER: MANIRAPTORA GAUTHIER, 1986

INFRAORDER: PARVES SERENO, 1997

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

Family: DROMAEOSAURIDAE Russell, 1969

Incerate sedis

non Dromaeosaurus, *D? cristatus
= Laelaps cristatus
= Dryptosaurus cristatus
non Dromaeosaurus, *D? explanatus
= Laelaps explanatus
= Deinodon explanatus
= Dryptosaurus explanatus

Gen. sp indet.

Subfamily: VELOCIRAPTORINAE Barsbold, 1978

cf. Saurornitholestes

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: STEGOCERINAE Sereno, 1998 (emend)

Stegoceras sp

Genus nova?

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.

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

Leptalestes prokrejcii
= Pediomys prokrejcii

MONTANA

BADLANDS OF THE JUDITH RIVER

JUDITH RIVER FORMATION

UPPER CAMPANIAN STAGE

MIDDLE 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: 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

*Aspideretoides foveatus

NORTH CENTRAL MONTANA

EGG ROLL SITE

JUDITH RIVER FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

OOCOHORT: ORNITHISCHIFORMES NOVA

OOMAGNORDER: ORNITHISCHIA SEELEY, 1888

Incertae sedis

Gen. sp indet.

MONTANA

DUPUYER CREEK

TWO MEDICINE FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

OOCOHORT: ORNITHISCHIFORMES NOVA

OOMAGNORDER: ORNITHISCHIA SEELEY, 1888

oofamily: SPHEROOLITHIDAE Zhao, 1979

Gen. sp indet.
Note: Hadrosaur, and Lambeosauridae

_____________________________________________________________________________________

EILEENS NEST

TWO MEDICINE FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

OOCOHORT: THEROPODA NOVA

oofamily: PRISMATOOLITHIDAE Hirsch, 1994

Spheruprismatoolithus condensus

MISSEL SITE

TWO MEDICINE FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

OOCOHORT: THEROPODA NOVA

oofamily: PRISMATOOLITHIDAE Hirsch, 1994

Spheruprismatoolithus condensus

MICROSITE

TWO MEDICINE FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

OOCOHORT: THEROPODA NOVA

oofamily: PRISMATOOLITHIDAE Hirsch, 1994

Spheruprismatoolithus condensus

LISA’S CANYON

TWO MEDICINE FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

OOCOHORT: THEROPODA NOVA

oofamily: PRISMATOOLITHIDAE Hirsch, 1994

Spheruprismatoolithus condensus

RED BONE

TWO MEDICINE FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

OOCOHORT: THEROPODA NOVA

oofamily: PRISMATOOLITHIDAE Hirsch, 1994

Spheruprismatoolithus condensus

TWO MEDICINE FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

OOCOHORT: THEROPODA NOVA

oofamily: PRISMATOOLITHIDAE Hirsch, 1994

Gen. sp indet.

_____________________________________________________________________________________

TWO MEDICINE RIVER

TWO MEDICINE FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

OOCOHORT: ORNITHISCHIFORMES NOVA

OOMAGNORDER: ORNITHISCHIA SEELEY, 1888

oofamily: SPHEROOLITHIDAE Zhao, 1979

Gen. sp indet.
Note: Hadrosaur

_____________________________________________________________________________________

BIG UGLY

TWO MEDICINE FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

OOCOHORT: THEROPODA NOVA

oofamily: PRISMATOOLITHIDAE Hirsch, 1994

Prismatoolithus levis

____________________________________________________________________________________

MONTANA

TWO MEDICINE FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE 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: 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

Aspideretoides foveatus
= Trinonyx foveatus
= Aspideretes (Trinonyx) foveatus
= Aspideretes foveatus

SUBCLASS: DIAPSIDA OSBORN, 1904

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

Family: BOREALOSUCHIDAE emend BROCHU, 1999

Borealosuchus sp
= Leidyosuchus sp

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: HYPSILOPHODONTIA COOPER, 1983

Family: HYPSILOPHODONTIDAE Dollo, 1882

Subfamily: ZEPHYROSAURINAE

Orodromeus makelai

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: MAIASAURINI nova

Maiasaura peeblesorum

____________________________________________________________________________________

MONTANA

MIDDLE UPPER TWO MEDICINE FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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

Subfamily: VELOCIRAPTORINAE Barsbold, 1978

Saurornitholestes langstoni

_____________________________________________________________________________________

MONTANA

UPPER TWO MEDICINE FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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)

Genus nova Inderminate between Daspletosaurus and Tyrannosaurus

_____________________________________________________________________________________

MONTANA

LIVINGSTON FORMATION

UPPER CAMPANIAN - UPPER MAASTRICHTIAN STAGE

SENONIAN SUBEPOCH

GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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

Gen. sp indet.

Subfamily: TYRANNOSAURINAE Osborn, 1906

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

Tyrannosaurus rex

_____________________________________________________________________________________

MONTANA

NEAR THE MOUTH OF THE BIGHORN 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: 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

Trionyx vagans
= Aspideretes vagans

____________________________________________________________________________________

MONTANA

ST. MARY RIVER FORMATION

LOWER MAASTRICHTIAN STAGE

UPPER SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Incertae sedis

Gen. sp. Indet.

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

Incerate sedis

Gen. sp. indet.

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

Gen. sp indet.

____________________________________________________________________________________

MONTANA

TULLOCK FORMATION

EARLY PALEOCENE EPOCH

LOWER PALEOGENE PERIOD

LOWER TERTIARY SUBERA

CENOZOIC ERA

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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

Family: BOREALOSUCHIDAE emend BROCHU, 1999

Borealosuchus sternbergii
= Leidyosuchus sternbergii

INFRAORDER: CROCODYLIA emend GMELIN, 1877

PARVORDER: BREVIROSTRES

Superfamily: ALLIGATORIDEA Buffetaut, 1985

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Incertae sedis

Genus sp indet.

____________________________________________________________________________________

MONTANA

BASE OF THE HELL CREEK FORMATION

LANCIAN AGE

LOWER 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, 1904

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

____________________________________________________________________________________

MONTANA

BILLY CREEK

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: DIAPSIDA OSBORN, 1904

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: STEGOCERINAE Sereno, 1998 (emend)

Stegoceras sp

_____________________________________________________________________________________

MONTANA

BIG CRY CREEK

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: DIAPSIDA OSBORN, 1904

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

____________________________________________________________________________________

MONTANA

14 M CHOTEAU

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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.

____________________________________________________________________________________

MONTANA

NEBRASKA TERRITORY

JUDITH RIVER FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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 Buffetaut, 1985

Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995

Leidyosuchus canadensis
= *Crocodilus humilis

____________________________________________________________________________________

MONTANA

POWDER RIVER BASIN

FORT UNION FORMATION

LATE PALEOCENE EPOCH

LOWER PALEOGENE PERIOD

LOWER TERTIARY SUBERA

CENOZOIC ERA

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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 Buffetaut, 1985

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Subfamily: ALLIGATORINAE Gray, 1844 (sensu Kalin, 1940)

Tribe: ALLIGATORINI nova

Ceratosuchus burdoshi

____________________________________________________________________________________

MONTANA

ALONG MILK RIVER

JUDITH RIVER FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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)

Ceratops montanus
= Proceratops montanus
= Triceratops montanus

_____________________________________________________________________________________

MONTANA

MISSOURI

AT THE MOUTH OF THE JUDITH RIVER

JUDITH RIVER FORMATION

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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: HADROSAURINI Cope, 1869 (sensu Brett-Surman vide Chapman & Brett-Surman, 1990)

*Hadrosaurus? breviceps

____________________________________________________________________________________

MONTANA

NEAR THE MISSOURI RIVER

HELL CREEK

PIERRE FORMATION

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

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.

____________________________________________________________________________________

MONTANA

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: DIAPSIDA OSBORN, 1904

INFRACLASS: 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: BOOIDEA Gray, 1825

Family: BOOIDAE

Gen sp indet.

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 Buffetaut, 1985

GLOBIDONTA BROUCHU, 1999

Family: ALLIGATORIDAE Gray, 1844

Brachychampsa montana

Genus 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

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

Subfamily: TYRANNOSAURINAE Osborn, 1906

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

Tyrannosaurus rex
Tyrannosaurus sp

SUBORDER: ORNITHOMIMOSAURIA BARSBOLD, 1976

Family: ORNITHOMIMIDAE Marsh, 1890

Ornithomimus antiquus
= Ornithomimus velox

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: LESOTHOSAURIA OLSHEVSKY, 1991 (emend)

ORDER: LESOTHOSAURIA OLSHEVSKY, 1991

Family: LESOTHOSAURIDAE L. B. Halstead & J. Halstead, 1981

Incertae sedis

Gen. sp indet.

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: HYPSILOPHODONTIA COOPER, 1983

Family: HYPSILOPHODONTIDAE Dollo, 1882

Subfamily: ZEPHYROSAURINAE

Orodromeus makelai

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.

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

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

Edmontosaurus sp
Edmontosaurus or Anatotian copei

Subfamily: LAMBEOSAURINAE Parks, 1923

Incertae sedis

Gen. sp indet.

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

Incertae sedis

Gen. sp indet.

AVEBREVICAUDA PAUL, 2001

SUBCLASS: SAURORNITHES NICHOLSON, 1879

INFRACLASS: ORNITHOTHORACES NOVA

LEGION: ORNITHURAE NOVA

COHORT: ENANTIORNITHES NOVA

SUPERORDER: EUENANTIORNITHES CHIAPPE, 2002

ORDER: ALEXORNITHIFORMES BRODKORB, 1976

Family: AVISAURIDAE Brett-Surman & Paul, 1985

Avisaurus archibaldi

Gen. sp indet.

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 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

ORDER: STAGODONTIA ARCHER, 1984

Family: STAGODONTIDAE Marsh, 1889

Didelphodon sp
= Stagodon sp
= Thlaeodon sp

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: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops hypoconus

GRANDORDER: FERAE LINNAEUS, 1758

ORDER: LIPOTYPHLA HAECKEL, 1866

SUBORDER: SORICOMORPHA GREGORY, 1910

Family: GEOLABIDIDAE McKenna, 1960

Batodon tenuis

_____________________________________________________________________________________

WESTERN MONTANA

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: DIAPSIDA OSBORN, 1904

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
= Agathaumas prorsus
= Triceratops brevicornus