NORTHWESTERN NORTH DAKOTA

BOWMAN COUNTY

DDM SITE #154/FEDRAL SITE ND 92-19

HELL CREEK FORMATION

LANCIAN NA LAND MAMMAL AGE

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

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

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NORTHWESTERN NORTH DAKOTA

BOWMAN COUNTY

17.24 KM SOUTHWEST OF RHAME

WAYNE'S X TRICERATOPS LOCALITY (UWBM LOCALITY C1526)

HELL CREEK FORMATION

LANCIAN NA LAND MAMMAL AGE

LANCIAN AGE

UPPER MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

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: STAGODONTIDAE Marsh, 1889

Didelphodon vorax

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NORTH DAKOTA

BOWMAN COUNTY

NDSFC LOCALITY BO80

FOX HILLS FORMATION
NOTE: INTERFINGERING OF WESTERN INTERIOR SEAWAY WITH THE HELL CREEK FORMATION

MAASTRICHTIAN STAGE

UPPERMOST SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

Incertae sedis

Gen. sp indet.

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

LEGION: LEPIDOSAUROMORPHA BENTON, 1983

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

MAGNORDER: SQUAMATA, OPPEL, 1811

SUPERORDER: LACERTILIA OWEN, 1842

GRANDORDER: SCINCOGEKKONOMORPHA SUKHANOV, 1961

MICRORDER: SCINCOMORPHA CAMP, 1923

ORDER: ANGUIMORPHA FURBRINGER, 1900

SUBORDER: DIPLOGLOSSA COPE, 1864

INFRAORDER: THECAGLOSSA COPE, 1890

PARVORDER: MONSTERSAURIA NORELL & GAO, 1977

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

Family: MOSASAURIDAE Gervais, 1853

Infrafamily: NATANIA

Subfamily: PLATECARPINAE Williston, 1897

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

?Plioplatecarpus sp

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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: 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

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

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

Mesodma thompsoni
Mesodma sp

Family: CIMOLODONTIDAE Marsh, 1889

Cimolodon sp

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

Family: TAENIOLABIDIDAE Granger & Simpson, 1929

Meniscoessus robustus
Meniscoesus 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 vorax
Didelphodon sp

Family: PEDIOMYIDAE Simpson, 1927

Protolambda florencae
= Pediomys sp Cf. ‘P’. florencae

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

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

SUPERORDER: PREPTOTHERIA McKENNA, 1975

GRANDORDER: UNGULATOMORPHA ARCHIBALD, 1996

Family: GYPSONICTIPIDAE Van Valen, 1967

Gypsonictops illuminatus

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

Incerate sedis

Gen. sp. indet.

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