Precambrian (1 ene 1000000000 año aC – 10 jun 541000000 año aC)
Descripción:
This is the first of two Eons that of which are Precambrian and Phanerizoic the Precambrian Eon also includes the Era's Hadean from 4.6 bilion to 4.0 billion then the Archaeic Era 4.0 billion to 2.5 billion then Proterozoic from 2.5 billion to 545 million. and this was also the Eon of organisms and bacteria
Añadido al timeline:
World History
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