ORNITHISCHIA

Pronounciation: OR-nith-ISS-kee-a

Name Meaning: Bird hips

Period: Late Triassic to late Cretaceous

Living Place: Worldwide

The order Ornithischia includes a broad range of dinosaurs, all of which were plant eaters. There were two-legged animals like iguanodon and the duck-headed dinosaur (pachycephalosaurs) and the three groups of armored dinosaurs (stegosaurus, ankylosaurs and certaopsians).

Suborder Ornithopoda

Suborder Pachycephalosauria

Suborder Stegosauria

Suborder Ankylosauria

Suborder Ceratopsia