This taxon is considered subjective synonym of
of the valid taxon Rhomaleosauridae
according to the Paleobiology Database.
See the page for Rhomaleosauridae →
Bibliography
Original description
P. O. Persson. 1963. A revision of the classification of the Plesiosauria, with a synopsis of the stratigraphical and geographical distribution of the group. Lunds Universitets Arsskrift N. F. Serie 2 59(1):1-57