†subfamily Polycotyilnae Albright et al. 2007 (plesiosaur)
Reptilia - Plesiosauria - Polycotylidae
Parent taxon: Polycotylidae according to L. B. Albright et al. 2007
Sister taxa: Ceraunosaurus, Cimoliasaurus leucoscopelus, Edgarosaurus, Manemergus, Mauriciosaurus, Pahasapasaurus, Palmulainae, Palmulasaurinae, Plesiopleurodon, Polycotylinae, Sulcusuchus, Thililua, Polycotylus brevispondylus, Polycotylus ichthyospondylus tanais
Subtaxa: none
Ecology: aquatic carnivore
Distribution: there are no occurrences of Polycotyilnae in the database