ornithischia
/ˌɔːrnɪˈθɪskiə/
noun
- A major group of dinosaurs that had bird-like hip bones, including herbivores such as stegosaurs, ankylosaurs, and hadrosaurs.
- The name Ornithischia means 'bird-hipped' because their pelvic bones resemble those of modern birds.
- Paleontologists classify dinosaurs into two main groups: Saurischia and Ornithischia.
- Ornithischia includes some of the most well-known plant-eating dinosaurs like Triceratops and Stegosaurus.