EUROPEAN RUSSIA
JAROSLAVAL OBLAST
RYBINSK
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: BENTHOSUCHIDAE Efremov, 1931
Subfamily: THOOSUCHINAE Getmanov, 1982
Thoosuchus jakovlevi
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EUROPEAN RUSSIA
JAROSLAVAL OBLAST
12 KM FROM THE CITY OF RYBINSK
TIKHVINSKOYE LOCALITY
RYBINSKIAN HORIZON
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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