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第四期距今5亿1400万年前 ~距今5亿900万年前 (1 gen 513900000 anni a. C. – 18 ottob 509000000 anni a. C.)

Aggiunto al nastro di tempo:

地球地质年代表

8 feb 2020

1

0

1260

Data:

1 gen 513900000 anni a. C.

18 ottob 509000000 anni a. C.

~ 4903254 years

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