WYOMING
BIG HORN COUNTY
GREYBULL
NEAR SHELL
HOWE RANCH
HOWE QUARRY
SALT WASH MEMBER
MORRISON FORMATION
ZONE 2
COMOBLUFFIAN AGE
KIMMERIDGIAN STAGE
UPPERMOST MALM EPOCH
LATE JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA
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
ORDER: NEOTETANURAE SERENO, WILSON, LARSSON, DUTHEIL &
SUBORDER: AVETHEROPODA PAUL, 1988
Superfamily: ALLOSAUROIDEA Marsh, 1878 (sensu Currie & Zhao, 1994)
Family: ALLOSAURIDAE Marsh, 1878
Allosaurus fragilis
Incertae sedis
Gen. sp idet.
COHORT: ORNITHISCHIFORMES COOPER, 1985
SUPERORDER: SAUROPODOMORPHA HUENE, 1932
GRANDORDER: BRONTOSAURIA OLSHEVSKY, 1991 (emend)
MICRORDER: SAUROPODA MARSH, 1878
ORDER: EUSAUROPODA
SUBORDER: NEOSAUROPODA BONAPARTE, 1986
Family: CAMARASAURIDAE Cope, 1877
Subfamily: CAMARASAURINAE Cope, 1877 (sensu Nopcsa, 1928)
Camarasaurus sp
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)
Apatosaurus sp
Barosaurus sp
Diplodocus sp
Genus: Nova?
Genus: Nova
MAGNORDER: ORNITHISCHIA SEELEY, 1888
SUPERORDER: NEORNITHISCHIA COOPER, 1985
GRANDORDER: ORNITHOPODA MARSH, 1871
MICRORDER: EUORNITHOPODA SERENO, 1986
MAGNORDER: ORNITHISCHIA SEELEY, 1888
ORDER: HYPSILOPHODONTIA COOPER, 1983
Family: HYPSILOPHODONTIDAE Dollo, 1882
Incertae sedis? Or new families? (pending further research)
Othnielia rex
ORDER: IGUANODONTIA DOLLO, 1888
SUBORDER: ANKYLOPOLLEXIA SERENO, 1986
Family: CAMPTOSAURIDAE Marsh, 1885
Gen. sp indet.
SUPERORDER: EURYOPDA SERENO, 1986
GRANDORDER: STEGOSAUROMORPHA COOPER, 1985 (EMEND)
ORDER: STEGOSAURIA MARSH, 1877
Family: STEGOSAURIDAE Marsh, 1877
Subfamily: STEGOSAURINAE Marsh, 1877 (sensu ABEL, 1919)
Stegosaurus sp
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MONTANA
BIG HORN COUNTY
LITTLE BUTTE QUARRY
(SIMTHSONIAN “QUARRY 2”)
MORRISON FORMATION
BRUSHY BASIN MEMBER
ZONE 3
KIMMERIDGIAN STAGE
UPPERMOST MALM EPOCH
LATE JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA
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)
Barosaurus sp
Diplodocus sp