nomen oblitum, species not entered Thalassiodracon
Hawkins 1834
This taxon is considered nomen oblitum, species not entered
of the valid taxon Thalassiodracon
according to the Paleobiology Database.
See the page for Thalassiodracon →
Bibliography
Original description
T. Hawkins. 1834. Memoirs of Ichthyosauri and Plesiosauri, Extinct Monsters of the Ancient Earth