This taxon is considered nomen dubium, species not entered
of the valid taxon Ceratopsidae
according to the Paleobiology Database.
See the page for Ceratopsidae →
Bibliography
Original description
J. H. Ostrom and P. Wellnhofer. 1990. Triceratops: an example of flawed systematics. Dinosaur Systematics: Perspectives and Approaches, Cambridge University Press, Cambridge
DOI ↗