MONTANA
PARK COUNTY
MEMBER?
UPPER MORRISON FORMATION
ZONE?
AGE?
STAGE?
MALM EPOCH
LATE JURASSIC
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
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)
Amphicoelias
_____________________________________________________________________________________
MONTANA
PARK COUNTY
LIVINGSTON AREA
O'HIAR QUARRY (FORMERLY UPPER STRICKLAND CREEK QUARRY)
SALT WASH MEMBER
MORRISON FORMATION
COMOBLUFFIAN AGE
KIMMERIDGIAN STAGE
MALM EPOCH
LATE JURASSIC
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
ORDER: NEOTETANURAE SERENO, WILSON, LARSSON, DUTHEIL &
SUBORDER: AVETHEROPODA PAUL, 1988
Superfamily: ALLOSAUROIDEA Marsh, 1878 (sensu Currie & Zhao, 1994)
Family: ALLOSAURIDAE Marsh, 1878
Incertae sedis
Allosaurus sp
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)
Genus nova?
Incertae sedis
MAGNORDER: ORNITHISCHIA SEELEY, 1888
SUPERORDER: EURYOPDA SERENO, 1986
GRANDORDER: STEGOSAUROMORPHA COOPER, 1985 (EMEND)
ORDER: STEGOSAURIA MARSH, 1877
Family: STEGOSAURIDAE Marsh, 1877
Subfamily: STEGOSAURINAE Marsh, 1877 (sensu ABEL, 1919)
Hesperosaurus mjosi
_____________________________________________________________________________________