EUROPEAN RUSSIA
KIROV REGION
SOKOLYA GORA
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
Chroniosaurus levis
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EUROPEAN RUSSIA
KIROV REGION
VYATKA RIVER
KAZANIAN
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: STEREOSPONDYLOMORPHA YATES & WARREN, 2000
SUBORDER: ARCHEGOSAURIFORMES SCHOCH & MILNER, 2000
SUPERFAMILY: ARCHEGOSAUROIDEA MEYER, 1857 (SENSU EFREMOV, 1932)
Family: MELOSAURIDAE Fritsch, 1885
Subfamily: MELOSAURINAE Fritsch, 1885
Melosaurus uralensis
= Eurosaurus uralensis
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EUROPEAN RUSSIA
KIROV PROVINCE
SLOBODSKOI DISTRICT
SHIKHOVO-CHERKI
ZONE II
EARLY PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
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: RHIPAEOSAURINAE Chudinov, 1955
*Leptoropha novojilovi
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