UTAH
CANYONLANDS NATIONAL PARK
BLUE MESA MEMBER
PETRIFIED FOREST FORMATION
CHINLE GROUP
ADAMANIAN
LATEST CARNIAN STAGE
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: AETOSAURIA NICHOLSON & LYDEKKER, 1889
Family: STAGONOLEPIDIDAE Lydekker, 1887
Subfamily: STAGONOLEPINAE Lydekker, 1887 (sensu Heckert & Lucas, 2000)
Stagonolepis sp
____________________________________________________________________________________
UTAH
20 M E OF NORTH END OF GLEN CANYON OF THE COLORADO RIVER
CLAY HILL DIVIDE
CHINLE GROUP
LATE CARNIAN-EARLY NORIAN STAGE
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
SUPERORDER: PARASUCHIMORPHA NOVA
ORDER: PARASUCHIA HUXLEY, 1875
Incertae sedis
*Heterodontosuchus ganei
= Nicrosaurus ganei
____________________________________________________________________________________
UTAH
NORTHERN COLORADO PLATEAU
POPO AGIE FORMATION
OTISCHALKIAN
LATE CARNIAN STAGE
LOWER LATE TRIASSIC EPOCH
LATE TRIASSIC
ICHNOSTEM: TETRAPODIPIDA NOVA
ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA
ICHNOCLASS: REPTILIPEDIA VIALOV, 1966
ICHNOSUBCLASS: DIAPSIDIPIDII NOVA
ICHNOSTEM-GROUP: NEODIAPSIDIPEDII NOVA
ICHNOINFRACLASS: NEODIAPSIDIPEDII NOVA
ICHNOSUBDIVISION: ARCHOSAURIPEDIDII NOVA
ICHNOLEGION: DINOSAUROMORPHIPEDA NOVA
ICHNOSUBLEGION: DINOSAURIFORMEIPEDIDII NOVA
ICHNOSUPERCOHORT: DINOSAUROPEDIDA NOVA
ICHNOCOHORT: THEROPODIPEDIA NOVA
ICHNOSUPERORDER: NEOTHEROPODOPEDIDA NOVA
ICHNOORDER: NEOTETANURIPEDIDII NOVA
ICHNOSUBORDER: AVETHEROPODIPIDA NOVA
ICHNOMICRORDER: COELUROSAURIPIDIDA NOVA
Ichnofamily: GRALLATORIDAE emend Lull, 1904
Grallator sp
= Agialopus sp
____________________________________________________________________________________