WESTERN COLORADO

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

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

ORDER: MESOSUCHIA EMEND HUXLEY, 1875

SUBORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

Genus nova

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: DRYOMORPHA SERNEO, 1986

Family: DRYOSAURIDAE Milner & Norman, 1984

Dryosaurus sp

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

Incertae sedis

Gen. sp indet.


COLORADO

LOWER PART OF THE BRUSHY BASIN MEMBER

ZONE 3

COMOBLUFFIAN AGE

KIMMERIDGIAN STAGE

UPPERMOST MALM EPOCH

LATE JURASSIC

VETEROVATA

OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975

Incertae sedis

Gen. sp indet.