NEVADA

MULLER CANYON

AUGUSTA MOUTAINS

FOSSIL HILL MEMBER

FAVRET FORMATION

STAR PEAK GROUP

LATE ANISIAN STAGE

LOWER MID TRIASSIC EPOCH

MIDDLE TRIASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

NEODIAPSIDA: BENTON, 1985

LEPIDOSAUROMORPHA: BENTON 1985

INFRACLASS: EURYAPSIDA COLBERT, 1945

SUPERORDER: SAUROPTERYGIA OWEN 1860

GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994

ORDER: NOTHOSAURIFORMES STORRS, 1991

SUBORDER: EUSAUROPTERYGIA TSCHANZ, 1989

INFRAORDER: PISTOSAUROIDEA BAUR, 1887-90

Superfamily: PISTOSAUROIDEA Baur in Zittel, 1887-1890 (Edinger, 1935)

Family: PISTOSAURIDAE Baur in Zittel, 1887-1890

*Augustasaurus hagodorni

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