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| | Brief history of the Dinosaurs (Site not responding. Last check: 2007-10-12) |
 | | The earliest known diapsid was Petrolacosaurus, and it was a moderately small animal, 60-70cm from snout to tail tip, with a long neck, large eyes, and long limbs, giving the impression of an agile terrestrial animal that probably fed on large insects and other arthropods. |
 | | The derived diapsids can be split into two groups, the Archosauromorpha and the Lepidosauromorpha. |
 | | The Lepidosauromorpha includes the tuatara and squamata and their extinct relatives. |
| website.lineone.net /~zzz3aaa3/diapsids.html (103 words) |
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