EUROPEAN RUSSIA

NIZHNII NOVGOROD PROVINCE

TONSHAEVSKII DISTRICT

VYATKA BASIN

PIZHMA RIVER

PURLY

VYATKIAN HORIZON

UPPER VYATKIAN SUBSTAGE

VYAZNIKI FAUNAL ASSEMBLAGE

UPPER TATARIAN AGE

LOPINGIAN SUBEPOCH

UPPER ZECHSTEIN EPOCH

LATE PERMIAN

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: AMPHIBIA LINNAEUS, 1758

SUBCLASS: LABYRINTHODONTIA OWEN, 1860

SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887

MICROORDER: LIMNARCHIA YATES & WARREN, 2000

ORDER: DVINOSAURIA YATES & WARREN, 2000

INFRAORDER: TRIMERORHACHOIDA ROMER, 1947

Superfamily: DVINOSAUROIDEA Watson, 1919

Family: DVINOSAURIDAE Amalitzky, 1921

Dvinosaurus purlensis

NEOTETRAPODA

SUBCLASS: REPTILIOMORPHA SAVE-SODERBERGH, 1934

ORDER: SEYMOURIAMORPHA WATSON, 1917

SUBORDER: CHRONIOSUCHIDA TATARINOV, 1971

Family: CHRONIOSUCHIDAE Vjuschkov, 1957

Uralerpeton tverdochlebovae

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: AVEMETATARSALIA BENTON, 1999

COHORT: PROLACERTIFORMES CAMP, 1945 NOVA

MAGNORDER: PROTEROSUCHIFORMES nova

ORDER: PROTEROSUCHIA BROOM, 1906

Family: PROTEROSUCHIDAE Huene, 1914

Archosaurus rossicus

SUBCLASS: SYNAPSIDA OSBORN, 1903

INFRACLASS DINOMORPHA IVAKNENKO, 2008

NEOTHERAPSIDA RUBIDGE & SIDOR, 2001

SUPERORDER: ANOMODONTIA WATSON & ROMER, 1956

ORDER: DICYNODONTIA OWEN, 1860

SUBORDER: DICYNODONTIA OWEN, 1860

Superfamily: PRISTERODONTIA Cluver & King, 1983

Family: DICYNODONTOIDAE Owen, 1859

Gen. sp indet.

INFRACLASS: THERIODONTIA EMEND OWEN, 1881

ORDER: EUTHERIODONTIA EMEND RUBIDGE & SIDOR, 2001

SUBORDER: THEROCEPHALIA BROOM, 1903

Family: PRISTEROGNATHIDAE Broom, 1906

*Hexacynodon purlinensis

Superfamily: WHAITSIOIDEA Haughton, 1918

Family: WHAITSIIDAE Haughton, 1918

Gen. sp indet.

SUBORDER: SCALOPOSAURIA BRINK, 1963

INFRAORDER: SCALOPOSAURINI BRINK, 1963

Superfamily: SCALOPOSAUROIDEA Brink, 1986

Family: SCALOPOSAURIDAE Broom, 1914

*Malasaurus germanus