Dinosaur
News
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ZoomDinosaurs.com Dinosaur News |
May 21, 1999 |
A large find was announced about a month ago; James I. Kirkland (of the College of Eastern Utah's Prehistoric Museum) discovered about 10,000 fossilized Ankylosaur bones near Price, Utah. These bones (both Nodosaurids and Ankylosaurids) date from about 100 million years ago, during the Cretaceous period, toward the end of the Mesozoic Era.
Nodosaurids - had spikes running along the sides of their bodies, pear-shaped heads, a toothless horny beak, leaf-shaped teeth in the cheeks, and lacked a clubbed-tail. They lived from the mid-Jurassic period through the Cretaceous period.
Ankylosaurids - had a tail club, a wide skull, and massive legs. They lived during the Cretaceous period.
 The supercontinent Pangaea, about 250 milllion years ago |
 The Earth 130 milllion years ago |
 The Earth 190 milllion years ago |
 The Earth 65 milllion years ago, at the end of the Mesozoic Era. |
| The continents of the Earth looked very different during the time of the dinosaurs. The continents were jammed together at the beginning of the Mesozoic Era, forming the supercontinent of Pangaea, but it started breaking apart toward the middle of the Mesozoic Era (during the Jurassic period). The | |
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