TATARSTAN

TETYUSHSKII DISTRICT

TARKHANOVSKAYA PRISTAN'

VECHKUSY FORMATION

LOWER OXFORDIAN STAGE

DOGGER EPOCH

LATE JURASSIC.

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990

COHORT: CROCODYLOTARSI BENTON & CLARK, 1988

MAGNORDER: SUCHIA KREBS, 1974

SUPERORDER: CROCODYLOMORPHA WALKER, 1968

GRANDORDER: CROCODILIFORMES HAY, 1930

MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983

ORDER: MESOSUCHIA EMEND HUXLEY, 1875

ORDER: THALATTOSUCHIA EMEND FRAAS, 1901

Incertae sedis

Gen. sp indet.

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TATARSTAN

TETYUSHSKII DISTRICT

SEMIN OVRAG LOCALITY

SEMEN FORMATION

SOKOLKI FAUNAL ASSEMBLAGE

ILINSKOE FAUNAL SUBASSEMBLAGE

UPPER TATARIAN AGE

LOPINGIAN SUBEPOCH

UPPER ZECHSTEIN EPOCH

LATE PERMIAN

STEM: TETRAPODA GOODRICH, 1930

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 primus

NEOTETRAPODA

SUBCLASS: REPTILIOMORPHA SAVE-SODERBERGH, 1934

ORDER: SEYMOURIAMORPHA WATSON, 1917

SUBORDER: CHRONIOSUCHIDA TATARINOV, 1971

Family: CHRONIOSUCHIDAE Vjuschkov, 1957

Chroniosaurus levis

SUBORDER: SEYMOURIDA TATARINOV, 1971

Superfamily: KOTLASSOIDEA Romer, 1933 (sensu Vjuschkov, 1957)

Family: KOTLASSIDAE Romer, 1933

Subfamily: KOTLASSIINAE Romer, 1933

Microphon exiguus

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: PARAREPTILIA OLSON 1947

INFRACLASS: SAUROPSIDA HUXLEY, 1864

ORDER: PROCOLOPHONOMORPHA ROMER, 1964

SUBORDER: PAREIASAUROIDEA SELEY, 1888

Family: PARAEIASAURIDAE Cope, 1869

Subfamily: PAREIASAURINAE Nopcsa, 1923

Scutosaurus karpinskii
= Proelginia permiana

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUPERCOHORT: AVEMETATARSALIA BENTON, 1999

COHORT: PROLACERTIFORMES CAMP, 1945 NOVA

MAGNORDER: PROTOROSAURIA HUXLEY, 1871

Superfamily: PROTOROSAUROIDEA Lydekker, 1888 (sensu Kuhn, 1969)

Family: PROTOROSAURIDAE Lydekker, 1888

*Eorasaurus olsoni

SUBCLASS: SYNAPSIDA OSBORN, 1903

INFRACLASS DINOMORPHA IVAKNENKO, 2008

SUPERORDER: GORGONTIA IVAKNENKO, 2008

ORDER: GORGONOPSIA SEELEY, 1895

SUBORDER: GORGONOPIA SEELEY, 1895

Superfamily: GORGONOPIOIDEA Lydekker, 1890

Family: GORGONOPIDAE Lydekker, 1890

Subfamily: CYNARIOPINAE Watson & Romer, 1956

*Sauroctonus progressus
= Arctognathus progressus
= Inostrancevia progressus

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

Subfamily: CRYPTODONTINAE Owen, 1859

*Idelisaurus tatarica

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EUROPEAN RUSSIA

TETYUSHI DISTRICT

RIGHT BANK OF THE VOLGA RIVER

VILLAGE OF IL’INSKOE

SYOMIN OVRAG RAVINE

SERVERODVINIAN (DVINA) HORIZON

SEMEN FORMATION

SOKOLKI FAUNAL ASSEMBLAGE

ILINSKOE FAUNAL SUBASSEMBLAGE

NORTH DVINA HORIZON

UPPER SUB STAGE

TATARINAN STAGE

LATE PERMIAN

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

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: PROTOROSAURIA HUXLEY, 1871

Superfamily: PROTOROSAUROIDEA Lydekker, 1888 (sensu Kuhn, 1969)

Family: PROTOROSAURIDAE Lydekker, 1888

*Eorasaurus olsoni

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