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