Reptilia - Sauropterygia

Parent taxon: Plesiosauria according to J. J. Sepkoski 2002

Sister taxa: Aptychodon, Embaphias, Eoplesiosaurus, Eretmosaurus, Gymocetus, Hexatarsostinus, Hunosaurus, Iserosaurus, Muraenosauridae, Namuncurania, Neoplesiosauria, Nothosaurops, Orophosaurus, Plesiosauroidea, Pliosauridae, Pliosauroidea, Rhomaleosauridae, Scarrisaurus, Stratesaurus, Taphrosaurus, Tremamesacleididae, Uronautes, Polyptychodon hudsoni, Polyptychodon interruptus

Subtaxa: none

Ecology: aquatic carnivore