Species
Extinct

Plesiosaurus eleutheraxon

subjective synonym of Thalassiodracon hawkinsii
Seeley 1865
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
H. G. Seeley. 1865. On two new plesiosaurs, from the Lias. Annals and Magazine of Natural History, series 3 16:352-359 DOI ↗