Original description
S. G. Dalman, J.-P. M. Hodnett, and A. J. Lichtig, S. G. Lucas. 2018. A new ceratopsid dinosaur (Centrosaurinae: Nasutoceratopsini) from the Fort Crittenden Formation, Upper Cretaceous (Campanian) of Arizona. New Mexico Museum of Natural History and Science Bulletin 79:141-164