KOLGUYEV ISLAND
PESCHANOZERSKAYA
EARLY TRIASSIC
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: TREMATOSAURIA PIVETEAU, 1955
Superfamily: TREMATOSAUROIDEA Save-Soderbergh, 1935
Family: WETLUGASAURIDAE Save-Soderbergh, 1935
Wetlugasaurus malachovi
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EUROPEAN RUSSIA
KOLGUYEV ISLAND
BOREHOLE 23
CHIRKABOZHSKAYA FORMATION
EARLY TRIASSIC
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: PROCOLPHOMORPHA SEELEY, 1888
Family: PROCOLOPHONIDAE, Seeley, 1888
Subfamily: PROCOLOPHONINAE Seeley, 1888 (sensu Romer, 1956)
*Insulophon morachovskayae
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EUROPEAN RUSSIA
KOLGUYEV ISLAND
KIROV PROVINCE
ANISIMOVO VILLAGE
VETLUZHIAN SERIES
EARLY TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: NEODIAPSIDA BENTON, 1985
DIVISION: LEPIDOSAUROMORPHA BENTON, 1983
Incertae sedis
Family: PALIGUANIDAE Broom, 1926
*Blomosaurus ivachnenkoi
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