EUROPEAN RUSSIA
SAMARA PROVINCE
SAMARA BASIN
OPPOSITE OF THE GOREYNOVKA VILLAGE
RIGHT BANK OF THE CHAPAYEVKA RIVER
GORYAINOVKA
STARITSKAYA SVITA
RYBINSKIAN GROIZONT
MIDDLE VETLUGIAN SUPERGORIZONT
MIDDLE BUNTSANDSTEIN
LOWERMOST OLENEKIAN STAGE
UPPER SCYTHIAN EPOCH
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 Watson, 1919 (sensu Save-Soderbergh, 1935)
Family: BENTHOSUCHIDAE Efremov, 1931
Subfamily: THOOSUCHINAE Getmanov, 1982
Thoosuchus jakovlevi
= *Thoosuchus tardusSubfamily: BENTHOSUCHINAE Efremov, 1937
Incerate sedis
CLASS: REPTILIA LAURENTI, 1768
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
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EUROPEAN RUSSIA
SAMARA REGION
SYZRANSKII DISRTICT
KASHPIRSKOE PYROSHALE FIELD (MINE N. 3)
LOWER PART OF THE DORSOPLANITES PANDERI ZONE
MIDDLE SUBSTAGE
VOLGIAN STAGE
LATE JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: NEODIAPSIDA BENTON, 1985
NEODIAPSIDA: INCERTAE SEDIS
OR AMNIOTA: INCERTAE SEDIS
MAGANORDER: ICHTHYOPTERYGIA BAUR, 1887 emend nova
SUPERORDER: EOICHTHYOSAURIA MOTANI, 1999
GRANDORDER: ICHTHYOSAURIA EMEND BLAINVILLE, 1835
MICRORDER: LONGIPINNATI HUENE, 1948
ORDER: MERRIAMOSAURIA MONTANI, 1999
SUBORDER: EUICHTHYOSAURIA MONTANI, 1999
INFRAORDER: PARVIPELVIA MONTANI, 1999
PARVORDER: NEOICHTHYOSAURIA SANDER, 2000
Superfamily: OPHTHALMOSAURIDEA Seeley, 1874)
Family: OPHTHALMOSAURIDAE Seeley, 1874
Subfamily: PLATYPTERYGIINAE Arkhangelsky, 2011
Grendelius zhuralevi = Otschevia zhuravlevi
= Brachypterygius zhuravlevi