LeptoceratopsProtoceratops_andrewsiMagnirostris_dodsoniBagaceratopsTuranoceratopsZuniceratopsChasmosaurus_belliPentaceratops_sternbergiiDiabloceratopsAlbertaceratopsRubeosaurusStyracosaurusSpinopsCentrosaurusCoronosaurusXenoceratopsSinoceratopsEiniosaurusAchelousaurusPachy_canadensisPachy_lakustaiPachy_perotorumANSP15400MOR692NasutoceratopsWendiceratopsCMN8804Malta_New_TaxonTMP_2002_dot_76_dot_1Machairoceratops_cronusiMedusaceratops_lokiiOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Tykoski_etal_2019a