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The earlist bird appeared 146 million years ago
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the Coelophysis lived 232 million yers ago. During the break up of pangea. Alot of its fossils were found in what is now present day london.
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This time period began 200 million years ago
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It lived over 359 million years ago
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this fossil lived 458 million years ago
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This time period began 65 million years ago
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the first reptiles appeared 299 million years ago
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This time period began 299 million years ago
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Earths first coral reefs appeared 488 million years ago