This taxon is considered nomen vanum, species not entered
of the valid taxon Plesiosauria
according to the Paleobiology Database.
See the page for Plesiosauria →
Bibliography
Original description
P. O. Persson. 1960. Reptiles from the Senonian (U Cret) of Scania (S Sweden). Arkiv for Mineralogi och Geologi 2(35):431-478