This taxon is considered subjective synonym of
of the valid taxon Stegoceras validum
according to the Paleobiology Database.
See the page for Stegoceras validum →
Bibliography
Original description
B. Brown and E. M. Schlaikjer. 1943. A study of the troödont dinosaurs with the description of a new genus and four new species. Bulletin of the American Museum of Natural History 82(5):115-150