Full reference: R. B. J. Benson, M. Evans, and P. S. Druckenmiller. 2012. High diversity, low disparity and small body size in plesiosaurs (Reptilia, Sauropterygia) from the Triassic–Jurassic boundary. PLoS ONE 7(3):e31838
Parent taxon: Plesiosauria according to R. B. J. Benson and P. S. Druckenmiller 2013
Sister taxa: Aptychodon, Embaphias, Eretmosaurus, Gymocetus, Hexatarsostinus, Hunosaurus, Iserosaurus, Muraenosauridae, Namuncurania, Neoplesiosauria, Nothosaurops, Orophosaurus, Plesiosauroidea, Pliosauridae, Pliosauroidea, Rhomaleosauridae, Scarrisaurus, Stratesaurus, Sulmosaurus, Taphrosaurus, Tremamesacleididae, Uronautes, Polyptychodon hudsoni, Polyptychodon interruptus
Subtaxa: Eoplesiosaurus antiquior
Type: Eoplesiosaurus antiquior
Ecology: aquatic carnivore