WYOMING
POLECAT BENCH
“LANCE” FORMATION
LANCIAN AGE
UPPER MAASTRICHTIAN STAGE
UPPERMOST SENONIAN SUBEPOCH
UPPER UPPER GULF EPOCH
LATE CRETACEOUS
VETEROVATA
OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975
Incertae sedis
Gen. sp indet.
_____________________________________________________________________________________
WYOMING
REMONTE 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 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
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
_____________________________________________________________________________________
WYOMING
UNKNOWN
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 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: PACHYCEPHALOSAURINAE Sternberg, 1945 (sensu Sereno, 1998)
Pachycephalosaurus wyomingensis
Pachycephalosaurus sp
_____________________________________________________________________________________
WYOMING
GREASEWOOD 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 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: 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
Chassternbergia rugosidens
= Palaeoscincus rugosidens
= Edmontonia rugosidens
= Panoplosaurus rugosidens
_____________________________________________________________________________________
WYOMING
LANCE CREEK AREA
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: 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
Protolambda hatcheri
= *Pediomys hatcheriMAGNORDER: AMERIDELPHIA (SZALAY, in ARCHER, ED, 1982) McKENNA & BELL, 1997
ORDER: DIDELPHIMORPHIA GILL, 1872
Incetae sedis
*Camptomus ampals
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 sp
_____________________________________________________________________________________
WYOMING
LANCE CREEK REGION
MAMMAL LOCALITY 1
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 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 elegans
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
_____________________________________________________________________________________
WYOMING
MAMMAL LOCALITY 2
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: Incertae sedis
Family: CIMOLOMYIDAE Marsh, 1889
Cimolomys gracilis
Family: TAENIOLABIDIDAE Granger & Simpson, 1929
*Meniscoessus robustus
= Dipriodon robustus
_____________________________________________________________________________________
WYOMING
MAMMAL LOCALITY 4
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
MAMMAL LOCALITY 5
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 gracilis
Family: TAENIOLABIDIDAE Granger & Simpson, 1929
Meniscoessus robustus
COHORT: PLACENTALIA (OWEN, 1837) McKENNA & BELL, 1997
Incertae sedis
*Telacodon laevis
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
Gypsonictops sp
= Euangelistes sp
_____________________________________________________________________________________
WYOMING
MAMMAL LOCALITY 6
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
MAMMAL LOCALITY 7
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
MAMMAL LOCALITY 9
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
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: DIDELPHIDAE Gray 1821
Turgidodon rhaister
= Alaphadon rhaisterCOHORT: 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
Gypsonictops sp
_____________________________________________________________________________________
WYOMING
MAMMALY LOCALITY 10
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
MAMMAL LOCALITY 11
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
_____________________________________________________________________________________
WYOMING
ON A LOW RIDGE BETWEEN THE LITTLE MISSOURI AND THE LITTLE POWDER RIVER
UNKNOWN
UNKNOWN
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 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: PACHYCEPHALOSAURINAE Sternberg, 1945 (sensu Sereno, 1998)
Pachycephalosaurus wyomingensis
= Tylosteus ornatus
_____________________________________________________________________________________
WYOMING
POWDER RIVER BASIN
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 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
_____________________________________________________________________________________
WYOMING
POWDER RIVER BASIN
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, 1904
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
Gen. sp indet.
GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961
MICRORDER: SCINCOMORPHA CAMP, 1923
ORDER: LEPTOGLOSSA COPE, 1900
SUBORDER: LYGOSOMORPHA ALIFANOV, 2000
Superfamily: SCINCOIDEA Oppel, 1811
Incertae sedis
Gen. sp indet.
ORDER: ANGUIMORPHA FURBRINGER, 1900
SUBORDER: DIPLOGLOSSA COPE, 1864
INFRAORDER: XENOSAUIRA FURBRINGER, 1900
Family: XENOSAURIDAE Cope, 1886
Exostinus lancensis
= Prionosaurus regularis
= *Marpagosaurus parvus
_____________________________________________________________________________________
WYOMING
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
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 sternbergiiINFRAORDER: CROCODYLIA emend GMELIN, 1877
PARVORDER: BREVIROSTRES
Superfamily: ALLIGATORIDEA 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
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
Tyrannosaurus spAVEPECTORA PAUL, 2001
SUBORDER: MANIRAPTORA GAUTHIER, 1986
INFRAORDER: PARVES SERENO, 1997
PARVORDER: DEINONYCHOSAURIA COLBERT & D. A. RUSSELL, 1969
Incertae sedis
*Paronychodon caperatus
= Tripriodon caperatus
= Menisocoessus caperatus
= Triprotodon caperatusCOHORT: 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
= Thescelesaurus neglectusSUBORDER: 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
Anatosaurus annectens
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
*Nedoceratops hatcheri
= Diceratops hatcheri
= Triceratops hatcheri
= Diceratus hatcheriTriceratops horridus
= *Triceratops elatus
Triceratops spCLASS: 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
= Nanomys minutusSuperfamily: Incertae sedis
Family: CIMOLOMYIDAE Marsh, 1889
Cimolomys gracilis
Cimolomys bellusSuperfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)
Family: TAENIOLABIDIDAE Granger & Simpson, 1929
Meniscoessus robustus
= Dipriodon lonatus
= Selenacodon fragilis
= Halodon sculptus
= Oracodon anceps
= Oracodon conulusSuperfamily: PTILODONTOIDEA Cope, 1887 (sensu McKenna & Bell, 1997)
Family: CIMOLODONTIDAE Marsh, 1889
Essonodon browni
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) McKfENNA & BELL, 1997
ORDER: DELTATHEROIDA KIELAN-JAWOROWSKA, 1982
Family: DELTATHERIDIIDAE Gregory & Simpson, 1926
Deltatheroides sp
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WYOMING
ALTMAN PROPERTY
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: Incertae sedis
Family: CIMOLOMYIDAE Marsh, 1889
Cimolomys gracilis
Superfamily: TAENIOLABIDOIDEA Granger & Simpson, 1929 (sensu McKenna & Bell, 1997)
Family: TAENIOLABIDIDAE Granger & Simpson, 1929
Meniscoessus robustus
Family: EUCOSMODONTIDAE Jepsen, 1940
Subfamily: MICROCOSMODONTINAE Holtzman & Wolberg, 1977
aff. Microcosmodon
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.
COHORT: MARSUPIALIA (ILLIGER, 1811) McKENNA & BELL, 1997
ORDER: STAGODONTIA ARCHER, 1984
Family: STAGODONTIDAE Marsh, 1889
Didelphodon vorax
= Didelphops vorax
Didelphodon spEodelphis browni
= *Didelphodon petersoni
= Ectoconodon petersoniFamily: 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
= Euangelestes petersoni
_____________________________________________________________________________________
WYOMING
HANNA BASIN
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 nova
_____________________________________________________________________________________
WYOMING
HAT 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: 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 sp
_____________________________________________________________________________________
EASTERN WYOMING
POWDER RIVER BASIN
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, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: AVEMETATARSALIA BENTON, 1999
COHORT: PROLACERTIFORMES CAMP, 1945 NOVA
SUPERORDER: TAPINOPLATIA PETERS, 2000
GRANDORDER: CHARACIOPODA PETERS, 2000
MICRORDER: FENESTRASAURIA PETERS, 2000
ORDER: PTEROSAURIA KAUP, 1834
SUBORDER: EUPTERODACTYLOIDEA BENNETT, 1994
Superfamily: AZHDARCHIDEA Nesov, 1984
Family: AZHDARCHIDAE Nesov, 1984 emend Padian, 1986
Gen. sp indet.
_____________________________________________________________________________________
WYOMNG
BETWEEN THE MOUTHS OF SPRING AND GREASEWOOD CREEKS
ALONG 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 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: 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
_____________________________________________________________________________________
NORTHEASTERN WYOMING
THUNDER BASIN NATIONAL GRASSLAND
SDSM V9718
GUNSIGHT LEDGE
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, 1904
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
Gen. sp indet.
_____________________________________________________________________________________
NORTHEASTERN WYOMING
THUNDER BASIN NATIONAL GRASSLAND
SDSM V9717
HOODOO POINT
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 sp
SUBORDER: AMBYSTOMATOIDEA NOBLE, 1931
Family: SCAPHERPETONTIDAE Auffenberg & Goin, 1959
Scapherpeton sp
SUBORDER: SALAMANDROIDEA NOBLE, 1931
Family: SIRENIDAE Gray, 1825
Habrosaurus sp
SUPERORDER: SALIENTIA LAURENTI, 1768
ORDER: ANURA RAFINESQUE, 1815
SUBORDER: DISCOGLOSSOIDEI SOKOL, 1977
Family: DISCOGLOSSIDAE Guenther, 1859
Incertae sedis
Scotiophryne sp
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904 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
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
ORDER: EUSUCHIA emend HUXLEY, 1875
INFRAORDER: CROCODYLIA emend GMELIN, 1877
PARVORDER: BREVIROSTRES
Superfamily: ALLIGATORIDEA Buffetaut, 1985
Family: LEIDYOSUCHIDAE Rauhe & Rossmann, 1995
Leidyosuchus sp
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 sp
Family: DROMAEOSAURIDAE Russell, 1969
Subfamily: DROMAEOSAURINAE Matthew & Brown, 1922
Dromaeosaurus 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
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
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 sp
_____________________________________________________________________________________