This taxon is considered nomen dubium, species not entered
of the valid taxon Shonisaurus
according to the Paleobiology Database.
See the page for Shonisaurus →
Bibliography
Original description
J. M. Mazin and P. M. Sander. 1993. Palaeobiogeography of the Early and Late Triassic ichthyopterygia. Paleontologia Lombarda 2:93-107