SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT CHORISTODERA NOVA

ORDER: CHORISTODERA COPE, 1876

Family: CTENIOGENYIDAE Seiffert, 1973

Cteniogenys antiquus

WYOMING

JOHNSON COUNTY

SOMEWHERE BETWEEN PASS CREEK ON THE SOUTH AND ALKALI DRAW ON THE NORTH

(ELK MOUNTAINS

NEAR BROWN’S RANCH)

MEMBER?

MORRISON FORMATION

STAGE?

AGE?

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)

Diplodocus sp

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: DRYOMORPHA SERNEO, 1986

Incertae sedis

Gen. sp indet. = Dryosaurus altus
= Laosaurus altus

_____________________________________________________________________________________

WYOMING

JOHNSON COUNTY

RED FORK OF THE POWDER RIVER

QUARRY A

MEMBER?

MORRISON FORMATION

STAGE?

AGE?

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)

*Diplodocus hayi

_____________________________________________________________________________________

WYOMING

JOHNSON COUNTY

RED FORK OF THE POWDER RIVER

QUARRY B

MEMBER?

MORRISON FORMATION

TITHONIAN 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

Allosaurus fragilis

COHORT: ORNITHISCHIFORMES COOPER, 1985

SUPERORDER: SAUROPODOMORPHA HUENE, 1932

GRANDORDER: BRONTOSAURIA OLSHEVSKY, 1991 (emend)

MICRORDER: SAUROPODA MARSH, 1878

Incertae sedis

Gen. sp indet

ORDER: EUSAUROPODA

SUBORDER: NEOSAUROPODA BONAPARTE, 1986

Incertae sedis

Gen. sp indet

Family: HAPLOCANTHOSAURIDAE Bonaparte, 1999

Haplocanthosaurus priscus
= Haplocanthosaurus utterbacki

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)

Incertae sedis

Gen. sp indet

FLAGELLICAUDATA Clade Name HARRIS & DODSON, 2004

Incerate sedis

Gen. sp indet.

Family: DIPLODOCIDAE Marsh, 1884

Incertae sedis

Gen. sp indet

Subfamily: DIPLODOCINAE Marsh, 1884 (sensu Janensch, 1929)

Apatosaurus sp

Diplodocus hayi
Diplodocus sp

Galeamopus sp

Gen. sp indet.

_____________________________________________________________________________________