ARGENTINA
ISCHIGUALASTO FORMATION
LATE 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
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
SUPERORDER: HERRASAURA NOVA
ORDER: HERRERASAURIA GALTON, 1985
Family: HERRERASAURIDAE Benedetto, 1973
Herrerasaurus ischigualastensis
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ARGENTINA
EL ARROYO PINTADA
6 KM WNW OF AGUADA DEL PENA
ISCHIGUALASTO FORMATION
LATE 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
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
SUPERORDER: HERRASAURA NOVA
ORDER: HERRERASAURIA GALTON, 1985
Family: HERRERASAURIDAE Benedetto, 1973
Herrerasaurus ischigualastensis
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