Species
Extinct

Plesiosaurus etheridgei

subjective synonym of Thalassiodracon hawkinsii
Huxley 1858
This taxon is considered subjective synonym of of the valid taxon Thalassiodracon hawkinsii according to the Paleobiology Database. See the page for Thalassiodracon hawkinsii →
Bibliography
Original description
R. Lydekker. 1889. Catalogue of the Fossil Reptilia and Amphibia, Part II. Containing the orders Ichthyopterygia and Sauropterygia DOI ↗