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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