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~Precambrian Era (2nd one) (1 gen 450000000 anni a. C. – 1 gen 250000000 anni a. C.)

Descrizione:

Geological: first solid rock formations form
Biological: Prokaryotic life begins

Aggiunto al nastro di tempo:

Shuman Earth Geologic Time ~ Colson, K.

ByKennedy Colson
18 ott 2019
1
0
315

Data:

1 gen 450000000 anni a. C.
1 gen 250000000 anni a. C.
~ 5883516 years
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