OREGON

WHEELER COUNTY

MITCHELL QUADRANGLE

EARLY CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1903

INFRACLASS: NEODIAPSIDA BENTON, 1985

NEODIAPSIDA: INCERTAE SEDIS

OR AMNIOTA: INCERTAE SEDIS

MAGANORDER: ICHTHYOPTERYGIA BAUR, 1887 emend nova

SUPERORDER: EOICHTHYOSAURIA MOTANI, 1999

GRANDORDER: ICHTHYOSAURIA EMEND BLAINVILLE, 1835

Incertae sedis

Gen. sp indet.

____________________________________________________________________________________


OREGON

WHELLER COUNTY

HUDSPETH FORMATION

ALBIAN STAGE

MIDDLE GALLIC SUBEPOCH

UPPER EARLY CRETACEOUS EPOCH

EARLY 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

SUPERCOHORT: AVEMETATARSALIA BENTON, 1999

COHORT: PROLACERTIFORMES CAMP, 1945 NOVA

SUPERORDER: TAPINOPLATIA PETERS, 2000

GRANDORDER: CHARACIOPODA PETERS, 2000

MICRORDER: FENESTRASAURIA PETERS, 2000

ORDER: PTEROSAURIA KAUP, 1834

SUBORDER: EUPTERODACTYLOIDEA BENNETT, 1994

Superfamily: AZHDARCHIDEA Nesov, 1984

Family: AZHDARCHIDAE Nesov, 1984 emend Padian, 1986

*Bennettazhia oregonensis
= Pteranodon oregonensis