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三叠纪 (1 gen 250000000 anni a. C. – 1 gen 200000000 anni a. C.)

Descrizione:

，三叠纪大灭绝。关于这次灭绝事件，目前科学家还不能给出准确结论，但是有的专家提出，可能与全球气温骤降或者陨石撞击有关。

Aggiunto al nastro di tempo:

ABriefHIistory

By杨炎涛
21 feb 2021
0
0
425

Data:

1 gen 250000000 anni a. C.
1 gen 200000000 anni a. C.
~ 5883516 years
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