(Leptoceratops_gracilis,(Protoceratops_andrewsi,(Zuniceratops_christopheri,(Turanoceratops_tardabilis,((Albertaceratops_nesmoi,(Centrosaurus_apertus,Pachyrhinosaurus_lakustai)),((Chasmosaurus_russelli,(Chasmosaurus_belli,(Vagaceratops_irvinensis,Kosmoceratops_richardsoni))),(Mojoceratops_perifania,(Agujaceratops_mariscalensis,((Utahceratops_gettyi,Pentaceratops_sternbergii),(Navajoceratops_sullivani,(Coahuilaceratops_magnacuerna,Bravoceratops_polyphemus,Terminocavus_sealyi,(Anchiceratops_ornatus,(Arrhinoceratops_brachyops,(Ojoceratops_fowleri,Eotriceratops_xerinsularis,((Torosaurus_latus,Torosaurus_utahensis),(Nedoceratops_hatcheri,(Triceratops_horridus,Triceratops_prorsus)))))))))))))))));