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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