EUROPEAN RUSSIA
CIS-URALIAN
ZONE VI
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: TREMATOSAURIDAE Watson, 1919
Subfamily: TREMATOSAURINAE Watson, 1919 emend Welles, 1992
Trematosaurus sp
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EUROPEAN RUSSIA
CIS-URALIAN REGION
ASTRAKHAN GOV.
MOUNT GREAT BOGDO
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: TREMATOSAURIDAE Watson, 1919
Subfamily: TREMATOSAURINAE Watson, 1919 emend Welles, 1992
Trematosaurus brauni
ORDER: CAPITOSAURIA ROMER, 1947
Superfamily: CAPITOSAUROIDEA Watson, 1919 (sensu Romer, 1947)
Incertae sedis
Capitosaurus sp
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EUROPEAN RUSSIA
CIS-URALS
UPPER VOLGA RIVER
KRASNYYE POZHANI
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 angustifrons
= Capitosaurus angustifrons
= Parotosaurus angustifrons
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