This taxon is considered subjective synonym of
of the valid taxon Polycotylidae
according to the Paleobiology Database.
See the page for Polycotylidae →
Bibliography
Original description
J. T. Thurmond. 1968. A new polycotylid plesiosaur from the Lake Waco Formation (Cenomanian) of Texas. Journal of Paleontology 42(5):1289-1296