Hypsilophodon_foxi

Stegoceras_validus

Chaoyangsaurus_youngi

Psittacosaurus_sinensis

Psittacosaurus_mongoliensis

Liaoceratops_yanzigouensis

Archaeoceratops_oshimai

Asiaceratops_salsopaludalis

Montanoceratops_cerorhynchus

Udanoceratops_tshizhovi

Leptoceratops_gracilis

Graciliceratops_gobiensis

Protoceratops_andrewsi

Bagaceratops_rozhdestvenskyi

Zuniceratops_christopheri

Triceratops_horridus

Centrosaurus_apertus