Overview

Ornithischia


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(class Reptilia, subclass Archosauria)

One of two orders of Mesozoic dinosaurs, which is distinguished primarily on the basis of its bird-like pelvis. Ornithischian dinosaurs were exclusively vegetarian and produced both bipedal forms (the Ornithopoda) and four-footed forms.

Subjects: Earth Sciences and Geography — Zoology and Animal Sciences.


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