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~Paleozoic Era ~Cambrian Period (1 gen 54500000 anni a. C. – 1 gen 50500000 anni a. C.)

Descrizione:

Geological: Most continents found underwater
Biological: contains first advanced marine life

Aggiunto al nastro di tempo:

Shuman Earth Geologic Time ~ Colson, K.

ByKennedy Colson
18 ott 2019
1
0
315

Data:

1 gen 54500000 anni a. C.
1 gen 50500000 anni a. C.
~ 4002657 years
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