STEGOSAURIA
Stegosauria
Known colloquially as stegosaurs, the Stegosauria are a group of herbivorous dinosaurs of the Jurassic and Early Cretaceous Periods, being found mostly in the Northern Hemisphere, predominantly in what is now North America and China.The above text is a snippet from Wikipedia: Stegosauria
and as such is available under the Creative Commons Attribution/Share-Alike License.