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n. A dinosaur of the order Ornithischia, having a pelvic structure similar to that of birds.

adj. Of, belonging to, or characteristic of the order Ornithischia.

n. Any of a group of dinosaurs, of the order Ornithischia, that have hips characteristic of birds

Pertaining to or having the characters of the group of dinosaurs named Ornithischia by Seeley; having the bones of the pelvis like those of a bird.

n. herbivorous dinosaur with a pelvis like that of a bird

"Named Fruitadens haagarorum, this tiny ornithischian was likely an omnivore, like other heterodontosaurids."

dinosaur   

staurikosaur    pisanosaur    bone-headed dinosaur    staurikosaurus    duck-billed dinosaur    hadrosaurus    ornithopod dinosaur    ceratopsian    horned dinosaur    hadrosaur