EUROPEAN RUSSIA
AUTONOMOUS REPUBLIC OF CHUVASHIA
IBRESI DISTRICT
BOINSK
RIGHT BANK OF VOLGA (POVOLZH’E) RIVER
BUINSK MINE OIL SHALES
DORSOPLANITES PANDERI ZONE
MIDDLE 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
*Liopleurodon rossicus
= Pliosaurus rossicus
_____________________________________________________________________________________