EUROPEAN RUSSIA
NIZHNII NOVGOROD REGION
PURLY LOCALITY
VYATKIAN REGIONA STAGE
UPPER TATARIAN AGE
LOPINGIAN SUBEPOCH
UPPER ZECHSTEIN EPOCH
LATE PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
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: SYNAPSIDA OSBORN, 1903
SUPERORDER: THERASPIDA BROOM, 1905
GRANDORDER: EUTHERAPSIDA
MICRORDER: NEOTHERAPSIDA
ORDER: THERIODONTIA OWEN, 1881
EUTHERIODONTIA
SUBORDER: SCALOPOSAURIA BRINK, 1963
INFRAORDER: SCALOPOSAURINI BRINK, 1963
Superfamily: SCALOPOSAUROIDEA Brink, 1986
Family: SCALOPOSAURIDAE Broom, 1914
*Malasaurus germanus
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EUROPEAN RUSSIA
NIZHNII NOVGOROD PROVINCE
VYAZNIK
KLYAZ’MA RIVER BASIN
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 egregius
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EUROPEAN RUSSIA
NIZHNII NOVGOROD PROVINCE
VYATKA BASIN
PIZHMA RIVER
PURLY
UPPERMOST 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 purlensis
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