Family
Extinct

Clidastidae

subjective synonym of Mosasauridae
Cope 1869
This taxon is considered subjective synonym of of the valid taxon Mosasauridae according to the Paleobiology Database. See the page for Mosasauridae →
Bibliography
Original description
E. D. Cope. 1869. On the reptilian orders Pythonomorpha and Streptosauria. Proceedings of the Boston Society of Natural History 12:250-266