This taxon is considered subjective synonym of
of the valid taxon Stegosaurus
according to the Paleobiology Database.
See the page for Stegosaurus →
Bibliography
Original description
E. D. Cope. 1878. Descriptions of new extinct Vertebrata from the Upper Tertiary and Dakota Formations. Bulletin of the United States Geological and Geographical Survey of the Territories 4(2):379-396