(Leptoceratops_gracilis,((Protoceratops_andrewsi,(Magnirostris_dodsoni,Bagaceratops_rozhdestvenskyi)),(Zuniceratops_christopheri,(Turanoceratops_tardabilis,((Chasmosaurus_belli,Pentaceratops_sternbergi),(Diabloceratops_eatoni,((Xenoceratops_foremostensis,(Albertaceratops_nesmoi,((((Rubeosaurus_ovatus,Styracosaurus_albertensis),(Coronosaurus_brinkmani,(Spinops_sternbergum,Centrosaurus_apertus))),(Einiosaurus_procurvicornis,(Achelousaurus_horneri,(Pachyrhinosaurus_canadensis,(Pachyrhinosaurus_lakustai,Pachyrhinosaurus_perotorum))))),(Sinoceratops_zhuchengensis,Wendiceratops)))),(Nasutoceratops_titusi,(Avaceratops_lammersi,CPC_274))))))))); (Leptoceratops_gracilis,((Protoceratops_andrewsi,(Magnirostris_dodsoni,Bagaceratops_rozhdestvenskyi)),(Zuniceratops_christopheri,(Turanoceratops_tardabilis,((Chasmosaurus_belli,Pentaceratops_sternbergi),(Diabloceratops_eatoni,((Xenoceratops_foremostensis,((Albertaceratops_nesmoi,(Sinoceratops_zhuchengensis,Wendiceratops)),(((Rubeosaurus_ovatus,Styracosaurus_albertensis),(Coronosaurus_brinkmani,(Spinops_sternbergum,Centrosaurus_apertus))),(Einiosaurus_procurvicornis,(Achelousaurus_horneri,(Pachyrhinosaurus_canadensis,(Pachyrhinosaurus_lakustai,Pachyrhinosaurus_perotorum))))))),(CPC_274,(Avaceratops_lammersi,Nasutoceratops_titusi)))))))));