EUROPEAN RUSSIA

EASTERN SARATOV

ABOUT 35 KM SOUTHWEST OF PUGACHEV

NEAR GORNY

SAVELJEVSK

SAVEL’EVSK MINE NO. 1

SAVEL’EVSK OIL SHALES

VOLGIAN

KIMMERIDGIAN STAGE

MIDDLE MALM EPOCH

LATE JURASSIC

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

INFRACLASS: EURYAPSIDA COLBERT, 1945

SUPERORDER: SAUROPTERYGIA OWEN, 1860

GRANDORDER: EOSAUROPTERYGIA emend RIEPPEL, 1994

ORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835

SUBORDER: PLESIOSAURIA OWEN, 1840 NON BLAINVILLE, 1835

INFRAORDER: PLIOSAUROMORPHA NOVA

Superfamily: PLIOSAUROIDEA Seeley, 1874

Family: PLIOSAURIDAE Seeley, 1874

*Pliosaurus irgisensis
= Strongylokrotaphus irgisensis
= Peloneustes irgisensis

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