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jan 1, 201280635 BC - 生物灭绝事件 此次事件对海洋生物的摧残最为严重 除了鱼龙之外的所有海生爬行动物消失 此次灭绝事件之后，恐龙开始称霸地球

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https://baike.baidu.com/item/%E4%B8%89%E5%8F%A0%E7%BA%AA/383932?fr=aladdin

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地球地质年代表

By徐康
8 Feb 2020
1
0
1126

Date:

jan 1, 201280635 BC
Now
~ 5883516 years ago

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