ARIZONA

APACHE COUNTY

ABOUT 7 MILES (11 KM) NORTHEAST OF ADAMANA

UPPER PETRIFIED FOREST FORMATION

CHINLE GROUP

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

Family: ANGISTORHINIDAE Huene, 1936

Subfamily: PSEUDOPALATINAE, Long & Murry, 1995

*Pseudopalatus pristinus

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