EUROPEAN RUSSIA
SARATOV REGION
SARATOV
SOVKHOZ LENINSKIY PUT' NEAR CHP 5 POWER STATION
KHLEBNOVKA FORMATION
CADOCERAS ELATMAE OR CADOCHAMOUSSETIA SUBPATRUUS AMMONITE BIOZONE
LOWER HALF OF THE LOWER CALLOVIAN STAGE
MIDDLE JURASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: CRUROTARSI SERENO & ARCUCCI, 1990
COHORT: CROCODYLOTARSI BENTON & CLARK, 1988
MAGNORDER: SUCHIA KREBS, 1974
SUPERORDER: CROCODYLOMORPHA WALKER, 1968
GRANDORDER: CROCODILIFORMES HAY, 1930
MICRORDER: MESOEUROCROCODYLIA WHETSTONE & WHYBROW, 1983
ORDER: MESOSUCHIA EMEND HUXLEY, 1875
SUBORDER: THALATTOSUCHIA EMEND FRAAS, 1901
Family: METRIORHYNCHIDAE Fitzinger, 1843
Morphotype 1
Gen. sp indet.
Subfamily: GEOSAURINAE Lydekker, 1889
Tribe: GEOSAURINI Lydekker, 1889
Gen. sp indet.
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EUROPEAN RUSSIA
SARATOV REGION
SARATOV DISTRICT
VILLAGE OF DUBKI
?UPPER SUBSTAGE
CALLOVIAN STAGE
MIDDLE 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: OPTHALMOSAURIDAE Seeley, 1874
Ophthalmosaurus icenicus
= *Khudiakovia calloviensis
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EUROPEAN RUSSIA
SARATOV REGION
SARATOV DISTRICT
VILLAGE OF DUBKI
NEAR THE HEAT AND POWER PLANT NO. 5
?UPPER SUBSTAGE
CALLOVIAN STAGE
MIDDLE 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
Incertae sedis
Gen. sp indet.