EUROPEAN RUSSIA
NORTH CIS URALS
BOLSHAYA SYNYA
NADKRASNOKAMEN FORMATION
LATE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
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
Pistosaurus sp
SUBCLASS: SYNAPSIDA OSBORN, 1903
SUPERORDER: THERASPID BROOM, 1905
GRANDORDER: EUTHERAPSIDA
MICRORDER: NEOTHERAPSIDA
ORDER: ANOMODONTIA WATSON & ROMER, 1956
SUBORDER: DICYNODONTIA OWEN, 1860
Incertae sedis
Gen. sp indet
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