This taxon is considered subjective synonym of
of the valid taxon Mosasaurus hoffmannii
according to the Paleobiology Database.
See the page for Mosasaurus hoffmannii →
Bibliography
Original description
E. D. Cope. 1870. Synopsis of the Extinct Batrachia, Reptilia and Aves of North America. Part II. Transactions of the American Philosophical Society, New Series 14:105-235
DOI ↗