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The Coelophysis was a theropod that lived between 200 and 220 million years ago during the late Triassic period. Paleontologists believe these dinosaurs became extinct due to severe weather changes and a poisoned atmosphere.

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9y ago
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13y ago

Ceolophysis lived in the late Triassic period. The earliest specimens date to 216.5 million years ago. They became extinct 203.6 million years ago.

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10y ago

Coelophysis lived 203 to 196 million years ago. This crosses the boundary from the Late Triassic period to the Early Jurassic period.

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12y ago

fifty million years ago

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Q: When did a coelophysis live?
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