Lesothosaurus_diagnosticus

Thyreophora

Jeholosaurus_lujiatunensis

Iguanodontia

Hypsilophodon_foxii

Agilisaurus

Heterodontosauridae

Pachycephalosauria

Yinlong_downsi

Chaoyangsaurus_youngi

Psittacosaurus_mongoliensis

Liaoceratops_yanzigouensis

Ceratopsidae

Archaeoceratops_oshimai