Species
Extinct

Polycotylus dolichopus

subjective synonym of Polycotylus latipinnis
Williston 1906
This taxon is considered subjective synonym of of the valid taxon Polycotylus latipinnis according to the Paleobiology Database. See the page for Polycotylus latipinnis →
Bibliography
Original description
S. W. Williston. 1906. North American plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus. The American Journal of Science, series 4 21:221-236 DOI ↗