Protoceratops_andrewsi

Leptoceratopsidae

Turanoceratops_tardabilis

Zuniceratops_christopheri

Diabloceratops_eatoni

Albertaceratops_nesmoi

Centrosaurus_apertus

Avaceratops_lammersi

Mercuriceratops_geminii

Judiceratops_tigris

Mojoceratops_perifania

Chasmosaurus_n_sp_CMN_2280

Chasmosaurus_belli

Chasmosaurus_irvinensis

Agujaceratops_mariscalensis

Pentaceratops_priscus

Williams_Fork_chasmosaurine

Utahceratops_gettyi

Pentaceratops_sternbergii

Kosmoceratops_sp_CMN_8801

Kosmoceratops_richardsoni

Almond_Fm_ceratopsian

Anchiceratops_ornatus

Coahuilaceratops_magnacuerna

Bravoceratops_polyphemus

Arrhinoceratops_brachyops

Titanoceratops_ouranos

Eotriceratops_xerinsularis

Torosaurus_latus

Ojoceratops_fowleri

Nedoceratops_hatcheri

Triceratops_horridus

Triceratops_q_utahensis

Tatankaceratops_sacrisonorum

Triceratops_prorsus