Difference between revisions of "Talk:Dinosaur/intro"
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| − | '''Dinosaurs''' were | + | '''Dinosaurs''' were an order of reptiles which existed from about 230 million years ago (MYA) to 65 MYA. Dinosurs varied in size drastically from the 3 foot long ''Eoraptor lunensis'' to the 90 foot long ''Diplodocus''. At the end of the Cretaceous period, 65 MYA, a catastrophic mass-extinction event took place. This is commonly thought to have been an asteroid or massive volcanic event. One significant group of dinosaurs has survived until the present day; scientests consider modern birds to be the direct descendants of theropod dinosaurs. |
Latest revision as of 23:56, March 20, 2007
Dinosaurs were an order of reptiles which existed from about 230 million years ago (MYA) to 65 MYA. Dinosurs varied in size drastically from the 3 foot long Eoraptor lunensis to the 90 foot long Diplodocus. At the end of the Cretaceous period, 65 MYA, a catastrophic mass-extinction event took place. This is commonly thought to have been an asteroid or massive volcanic event. One significant group of dinosaurs has survived until the present day; scientests consider modern birds to be the direct descendants of theropod dinosaurs.