Species
Extinct

Plesiosaurus biangulatus

subjective synonym of Colymbosaurus trochanterius
Cope 1870
This taxon is considered subjective synonym of of the valid taxon Colymbosaurus trochanterius according to the Paleobiology Database. See the page for Colymbosaurus trochanterius →
Bibliography
Original description
J. B. Delair. 1960. The Mesozoic reptiles of Dorset. Part two. Proceedings of the Dorset Natural History and Archaeological Society 80:52-90