WYOMING
NATRONA COUNTY
NEAR WILLOW CREEK
LOWER PART OF THE POPO AGIE FORMATION
LATE CARNIAN STAGE
LOWER LATE TRIASSIC EPOCH
LATE TRIASSIC
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: RHYNOCEPHALIA nova
ORDER: RHYNOCEPHALIA BUTHER, 1867
SUBORDER: RHYNCHOSAUROIDEA GERVAIS, 1889
Family: HYPERODAPEDONTIDAE Lydekker, 1885
Subfamily: HYPERODAPEDONTINAE Lydekker, 1885 (sensu Chatterjee, 1969)
Hyperodapedon sanjuanenesis
_____________________________________________________________________________________
WYOMING
NATRONA COUNTY
CLARK LOCALITY
POPO AGIE MEMBER
OTISCHALKIAN
LATE CARNIAN STAGE
LOWER LATE TRIASSIC EPOCH
LATE TRIASSIC
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: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: PSEUDOSUCHIA ZITTEL 1887-1890
GRANDORDER: RAUISUCHIFORMES PARRISH, 1993
ORDER: RAUISUCHIA Bonaparte, 1984
SUBORDER: RAUISUCHIA BONAPARTE, 1982
Family: TERATOSAURIDAE Cope 1871
Subfamily: TERATOSAURINAE Cope 1871
Tribe: TERATOSAURINI Cope, 1871 (sensu Sennikov, 1995) (emend) from Tribe RAUISUCHINI Huene, 1942
*Heptasuchus clarki
_____________________________________________________________________________________