Laramidia Daftar genus dinosaurus Ceratopsidae Chasmosaurus Leptoceratops Marginocephalia Styracosaurus Chaoyangsaurus Yinlong Zuniceratops Wannanosaurus Beg tse Pentaceratops Homalocephale Stygimoloch Centrosaurinae Pachycephalosauria Centrosaurus Pachycephalosaurus Psittacosaurus Triceratops