CentrosaurinaeChasmosaurus_belliChasmosaurus_canadensisChasmosaurus_mariscalensisPentaceratops_sternbergiiAnchiceratops_ornatusArrhinoceratops_brachyopsTorosaurus_latusTorosaurus_utahensisTrieratops_horridusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Lehman_1996a