†Polycotylus brevispondylus Bogolubov 1911 (plesiosaur)
Reptilia - Sauropterygia - Dolichorhynchopidae
PaleoDB taxon number: 201100
Belongs to Dolichorhynchopidae according to S. P. Welles 1962
Sister taxa: Ceraunosaurus, Cimoliasaurus leucoscopelus, Dolichorhynchops, Edgarosaurus, Eopolycotylus, Georgiasaurus, Manemergus, Mauriciosaurus, Pahasapasaurus, Palmulainae, Palmulasaurinae, Plesiopleurodon, Polycotyilnae, Polycotylinae, Sulcusuchus, Thililua, Trinacromerum, Polycotylus ichthyospondylus tanais
Ecology: aquatic carnivore