COLORADO

DENVER COUNTY

CITYPARK CORE

DMNH LOCLAITY 3648

HELL CREEK FORMATION

LANCIAN AGE

LATE 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

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA DUMERIL & BIBRON, 1839

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

MAGNORDER: SQUAMATA OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: ASCALABOTA GILMORE, 1928

ORDER: IGUANIA LATREILLE, 1825

SUBORDER: DRACOMORPHA NORTHCUTT, 1978

INFRAORDER: TEIUMORPHA ALIFANOV, 2000

Family: TEIIDAE Gray, 1827

Subfamily: CHAMOPSINAE Denton & O’Neill 1995

cf. Chamops segnis

cf. Meniscognathus altmani

SUBORDER: ACRODONTIA COPE, 1864

INFRAORDER: AGAMOGNATHA EMEND ALIFANOV, 2000

PARVORDER: POLYGLYPHANODONTIA EMEND ALIFANOV, 2000

Incertae sedis

cf. Obamadon gracilis

Polyglphanodontia _A

Polygphanodontia _B

Polygphanodontia _C

Polygphanodontia _D

INFRAORDER: CHAMAELEOMORPHA FURBRINGER, 1900

PARVORDER: RHIPTOGLOSSA WEIGMANN, 1834

Superfamily: MONGOLOCHAMPOIDEA ALIFANOV, 1993

Family: MONGOLOCHAMPOIDAE Alifanov, 1993

cf. Socognathus unicuspis

GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961

MICRORDER: SCINCOMORPHA CAMP, 1923

ORDER: LEPTOGLOSSA COPE, 1900

SUBORDER: LYGOSOMORPHA ALIFANOV, 2000

Superfamily: SCINCOIDEA Oppel, 1811

Incertae sedis

Scincoidea_A

Scincoidea_B

SUBORDER: ZONUROMORPHA ALIFANOV, 2000

INFRAORDER: ZONURIA FURBRINGER, 1900

Superfamily: CORDYLOIDEA Fritzinger, 1826

Incertae sedis

Cordyloidea_A

CLADE NAME: LACERTOIDEA Fitzinger, 1826

Incertae sedis

Lacertoidea gem. sp indet.

ORDER: ANGUIMORPHA FURBRINGER, 1900

Incertae sedis

Anguimorpha_A

Anguimorpha_B

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: XENOSAUIRA FURBRINGER, 1900

Family: XENOSAURIDAE Cope, 1886

cf. Exostinus lancensis

Gen. sp indet.

INFRAORDER: OPHISAUROMORPHA ALIFANOV, 2000

Family: ANGUIDAE Gray, 1825

Anguidae_A

Anguidae_B

Anguidae_C

Subfamily: GLYPTOSAURINAE Marsh, 1872

Tribe: MELANOSAURINI Sullivan, 1979

Odaxosaurus piger

SUBORDER: PLATYNOTA GILMORE, 1928

INFRAORDER: THECAGLOSSA COPE, 1890

PARVORDER: MONSTERSAURIA NORELL & GAO, 1977

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

Incertae sedis

Varanoidea_A

Varanoidea_B

Varanoidea_C

Family: PARASANIWIDAE Estes, 1964

cf. Colpodontosaurus cracens

SUPERORDER: SERPENTES LINNAEUS, 1759

ORDER: OPHIDIA BRONGNIART, 1800

Incertae sedis_A

Incertae sedis_B

SUBORDER: ALETHINOPHIDIA NOPCSCA, 1923

Superfamily: ANILIODEA Fitzinger, 1826

Family: ANILIIDAE Fitzenger, 1826

cf. Coniophis precedens

COLORADO

DENVER COUNTY

CITYPARK CORE

DMNH LOCLAITY 20497

DENVER FORMATION

LANCIAN AGE

LATE 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

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

Incertae sedis

Gen. sp indet.

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COLORADO

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

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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: METORNITHES PERLE, NORELL, CHIAPPE & CLARK, 1993

INFRAORDER: ALVAREZSAURIA BONAPARTE, 1991

Family: ALVAREZSAURIDAE Bonaparte, 1991

Subfamily: MONONYKINAE Chiappe, Norell & Clark, 1998

non Ornithomimus, *O. minutus
= Dromaeosaurus minutus?

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DENVER COUNTY

NEAR DENVER

GREEN MOUNTAIN CREEK

DENVER FORMATION

LANCIAN AGE

LATE 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

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)

Incertae sedis

Gen. sp indet.

Family: CERATOPIDAE Marsh, 1888

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

Tribe: TRICERATOPINI nova

*Triceratops? alticornis
= Bison alticornis
= Ceratops alticornis

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NW DENVER COUNTY

DENVER FORMATION

LANCIAN AGE

LATE 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

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

Gen. sp indet.

 

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COLORADO

DENVER COUNTY

NEAR DENVER

LENNAR HOMES SUBDIVISION

DENVER FORMATION

LANCIAN AGE

LATE 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

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

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