Genus
Extinct

Brachysaurus

subjective synonym of Prognathodon
Williston 1897
This taxon is considered subjective synonym of of the valid taxon Prognathodon according to the Paleobiology Database. See the page for Prognathodon →
Bibliography
Original description
D. A. Russell. 1967. Systematics and morphology of American mosasaurs (Reptilia, Sauria). Bulletin of the Peabody Museum of Natural History 23:1-252