This taxon is considered subjective synonym of
of the valid taxon Platecarpus
according to the Paleobiology Database.
See the page for Platecarpus →
Bibliography
Original description
E. D. Cope. 1874. Review of the Vertebrata of the Cretaceous Period found west of the Mississippi River. Bulletin of the United States Geological and Geographical Survey of the Territories, First Series 2:3-48