Species
Extinct

Plesiosaurus simpsoni

subjective synonym of Rhomaleosaurus zetlandicus
Blake 1876
This taxon is considered subjective synonym of of the valid taxon Rhomaleosaurus zetlandicus according to the Paleobiology Database. See the page for Rhomaleosaurus zetlandicus →
Bibliography
Original description
R. Lydekker. 1889. Catalogue of the Fossil Reptilia and Amphibia, Part II. Containing the orders Ichthyopterygia and Sauropterygia DOI ↗