Bird-hipped dinosaur

The Bird-hipped dinosaurs are any of the species of dinosaur with a hip bone configuration similar to those of modern birds. They are distinguished from the saurischian ('lizard-hipped') dinosaurs and are assigned to the taxonomic order Ornithischia.

Families
Suborder: Thyreophora (armored dinosaurs)
 * Infraorder: Ankylosauria
 * * Ankylosauridae
 * * Nodosauridae
 * * Scelidosauridae
 * Infraorder: Stegosauria
 * * Huayangosauridae
 * * Stegosauridae

Suborder Cerapoda:
 * Infraorder: Ceratopsia
 * * Ceratopsidae (horned dinosaurs)
 * * Chaoyangsauridae
 * * Psittacosauridae
 * * Neoceratopsia


 * Infraorder: Ornithopoda (bird-footed)
 * * Hypsilophodontidae
 * * Iguanodontidae
 * * Hadrosauridae (duck-billed dinosaurs)


 * Infraorder: Pachycephalosauria
 * * Pachycephalosauridae
 * * Goyocephala


 * Infraorder: Unranked
 * * Heterodontosauridae
 * * Agilisaurus
 * * Hexinlusaurus
 * * Stormbergia