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下泥盆世 距今4亿1920万年前 ~距今3亿9330万年前 (oct 18, 419200000 BC – jan 1, 393300000 BC)

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地球地质年代表

By徐康
8 Feb 2020
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Date:

oct 18, 419200000 BC
jan 1, 393300000 BC
~ 5883516 years
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