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
W. P. Wall and P. M. Galton. 1979. Notes on pachycephalosaurid dinosaurs (Reptilia: Ornithischia) from North America, with comments on their status as ornithopods. Canadian Journal of Earth Sciences 16:1176-1186
DOI ↗