Species
Extinct

Elasmosaurus sternbergi

nomen dubium, species not entered Elasmosauridae
Williston 1906
This taxon is considered nomen dubium, species not entered of the valid taxon Elasmosauridae according to the Paleobiology Database. See the page for Elasmosauridae
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 ↗