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The Hettangian Epoch.

The liassic epoch.

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13y ago

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What period was the middle Jurassic period in?

The Middle Jurassic Epoch (175.6 - 161.2Ma) was in the Jurassic Period (199.6 - 145.5Ma).


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What year was 165 million years ago?

165 million years ago was during the Jurassic period, specifically in the Middle Jurassic epoch.


What period did the first birds arrive?

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