Definition of ornithischian
: any of an order (Ornithischia) of herbivorous dinosaurs (such as a stegosaurus) that have the pubis of the pelvis rotated backward to a position parallel and close to the ischium — compare saurischian
Recent Examples of ornithischian from the Web
The ornithischians, by contrast, included dinosaurs like Stegosaurus and Camptosaurus.
Not to mention that the new analysis brings up the question of why theropods and sauropods share air sacs that lightened their skeletons and yet ornithischians –
However, since 2002 paleontologists have unearthed a couple of other ornithischians with primitive bristle or furlike feathers.
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Origin and Etymology of ornithischian
New Latin Ornithischia, from ornith- + ischium
First Known Use: 1888See Words from the same year
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Britannica.com: Encyclopedia article about ornithischian
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