EUROPEAN RUSSIA
NIZHNII NOVGOROD PROVINCE
VETLUGA RIVER
SPASSKOE
VOKHMIAN GROIZONT
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: DVINOSAURIA YATES & WARREN, 2000
INFRAORDER: TRIMERORHACHOIDA ROMER, 1947
Superfamily: DVINOSAUROIDEA Watson, 1919
Family: TUPILAKOSAURIDAE Kuhn, 1960
*Tupilakosaurus wetlugensis
NEOTETRAPODA
SUBCLASS: REPTILIOMORPHA SAVE-SODERBERGH, 1934
ORDER: SEYMOURIAMORPHA WATSON, 1917
SUBORDER: CHRONIOSUCHIDA TATARINOV, 1971
Family: BYSTROWIANIDAE Vjushkov, 1957
*Axitectum vjushkovi
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EUROPEAN RUSSIA
NIZHNII NOVGOROD PROVINCE
ZUBOVSKOYE
RIGHT BANK OF VETLUGA RIVER
UPPER VETLUGA SERIES
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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RUSSIA
NIZHNII NOVGORD PROVINCE
GOR’KIY OBLAST
SARAFANIKHA SITE
VETLUGA SERIES
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: SPONDYLOESTINAE Ivakhenko, 1979
Contritosaurus simus
RUSSIA
NIZHNII NOVGORD PROVINCE
GOR’KIY OBLAST
SPASSKOYE VILLAGE
BASE OF THE VETLUGA SERIES
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: SPONDYLOESTINAE Ivakhenko, 1979
*Phaanthosaurus ignatjevi
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: AVEMETATARSALIA BENTON, 1999
COHORT: PROLACERTIFORMES CAMP, 1945 NOVA
MAGNORDER: PROTEROSUCHIFORMES nova
ORDER: PROTEROSUCHIA BROOM, 1906
Family: PROTEROSUCHIDAE Huene, 1914
Chasmatosuchus sp
RUSSIA
NIZHNII NOVGORD PROVINCE
OLD GOR’KIY OBLAST
KRASNYYE BAKI VILLAGE
BASE OF VETLUGA SERIES
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: SPONDYLOESTINAE Ivakhenko, 1979
*Contritosaurus convector
RUSSIA
NIZHNII NOVGORD PROVINCE
GOR’KIY OBLAST
LIPOVO VILLAGE
BASE OF THE VETLUGA SERIES
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: SPONDYLOESTINAE Ivakhenko, 1979
*Contritosaurus simus
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