(Lesothosaurus,(Hypsilophodon,Stegoceras,(((Yinlong,(Chaoyangsaurus,Xuanhuaceratops,Hualianceratops)),(Liaoceratops,Stenopelix,(Auroraceratops,Archaeoceratops,Yamaceratops,Asiaceratops,Koreaceratops,Cerasinops,Montanoceratops,Leptoceratops,Prenoceratops,Udanoceratops,Helioceratops,Zhuchengceratops,Unescoceratops,Gryphoceratops,ZPAL_MgD_I156,Aquilops,Mosaiceratops,Ischioceratops,Ferrisaurus_sustutensis,((Ajkaceratops,(Zuniceratops,(Turanoceratops,Diabloceratops,(Centrosaurus,Styracosaurus),(Chasmosaurus,Triceratops)))),(Bagaceratops,Magnirostris,(Protoceratops_helleni,Protoceratops_andrewsi)))))),(P_sinensis,P_mongoliensis))));