This taxon is considered nomen dubium, species not entered
of the valid taxon Ichthyosauria
according to the Paleobiology Database.
See the page for Ichthyosauria →
Bibliography
Original description
I. W. Hulke. 1873. Memorandum on some fossil vertebrate remains collected by the Swedish expeditions to Spitzbergen in 1864 and 1868. Bihang Till Kongliga Svenska Vetenskaps-Akademiens Handlingar 1(9):1-11