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

Brachychampsa montana

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

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

Family: HADROSAURIDAE COPE, 1869

Incertae sedis

Gen. sp indet.

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

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

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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: 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 reinheimeri

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

*Denversaurus schlessmani
= Edmontonia sp

CORSON COUNTY

LANCE FORMATION

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: 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)

Nanotyrannus lancensis
= Gorgosaurus lancensis
= Albertosaurus lancensis
= Albertosaurus (Nanotyrannus) lancensis

_____________________________________________________________________________________

CORSON COUNTY

WATAUGA

RANCH OF HORACE DWITO

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.

____________________________________________________________________________________