Protoceratops_andrewsi

Leptoceratopsidae

Zuniceratops_christopheri

Turanoceratops_tardabilis

Avaceratops_lammersi

Einiosaurus_procurvicornis

Styracosaurus_albertensis

Centrosaurus_apertus

Pachyrhinosaurus_spp

Achelousaurus_horneri

Chasmosaurus_spp

Judiceratops_tigris

Agujaceratops_mariscalensis

Mojoceratops_perifania

Utahceratops_gettyi

Pentaceratops_sternbergii

Kosmoceratops_richardsoni

Anchiceratops_ornatus

Coahuilaceratops_magnacuerna

Arrhinoceratops_brachyops

Titanoceratops_ouranos

Eotriceratops_xerinsularis

Triceratops_spp

Torosaurus_spp