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About 248,000,000 years ago

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The oldest known Dinosaur is Eoraptor or a Coelophysis, but no one knows exactly what the oldest Dinosaur was, it likely has yet to be discovered. But it's 248 mya (million years ago).

I should know i have a dinosaur encyclopedia

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14y ago
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11y ago

65 million years ago is when the non-avian dinosaurs died out.birds,mouse and other small animals are still alive today!

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15y ago

The Dinosaurs became extinct roughly 65 million years ago

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14y ago

about 65 million years ago

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14y ago

90 million years ago

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Anonymous

Lvl 1
3y ago

65 million years ago

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Q: How many years ago did the oldest dinosaur live?
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