Species
Extinct

Mosasaurus crassidens

nomen dubium, species not entered Mosasauridae
Marsh 1870
This taxon is considered nomen dubium, species not entered of the valid taxon Mosasauridae according to the Paleobiology Database. See the page for Mosasauridae
Bibliography
Original description
O. C. Marsh. 1870. On a number of vertebrae of a new Dinosaurian from the Cretaceous green sand near Barnsboro. Proceedings of the Academy of Natural Sciences of Philadelphia 22:2-3