(Hypsilophodon,(Stegoceras,(Yinlong,(((Mosaiceratops,(Aquilops,(Liaoceratops,(Yamaceratops,(Archaeoceratops,(Auroraceratops,((Asiaceratops,(Cerasinops,(Montanoceratops,(Prenoceratops,(Leptoceratops,(Udanoceratops,Zhuchengceratops)))))),(Graciliceratops,((Bagaceratops,Protoceratops),(Zuniceratops,(Centrosaurus,Triceratops))))))))))),(Psittacosaurus_sinensis,Psittacosaurus_mongoliensis)),(Chaoyangsaurus,Xuanhuaceratops)))));