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~Precambrian Era (1 ene 250000000 año aC – 1 ene 54500000 año aC)

Descripción:

Geological: Rocks from this era are hard to interpret
Biological: Evidence of hard life started in the ocean

Añadido al timeline:

Shuman Earth Geologic Time ~ Colson, K.

ByKennedy Colson
18 oct 2019
1
0
315

fecha:

1 ene 250000000 año aC
1 ene 54500000 año aC
~ 5883516 years
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