This taxon is considered nomen nudum, species not entered
of the valid taxon Ichthyosaurus
according to the Paleobiology Database.
See the page for Ichthyosaurus →
Bibliography
Original description
C. McGowan and R. Motani. 2003. Handbuch der Palaoherpetologie / Encyclopedia of Paleoherpetology Teil 8 / Part 8 Ichthyopterygia.