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
H. Schröder. 1885. Saurierreste aus der baltischen oberen Kreide [Saurian remains from the Baltic Upper Cretaceous]. Jahrbuch der Königlich Preussischen geologischen Landesanstalt und Bergakademie zu Berlin 1884:293-333