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12 ore 18 dic 2017 anni a. C. - First vertebrates ( creatures w/ backbones)

Descrizione:

When creatures without backbones were found and discovered

Aggiunto al nastro di tempo:

Cosmic calendar

3 gen 2018

0

0

566

Data:

12 ore 18 dic 2017 anni a. C.

Adesso

~ 4046 years ago

Immagini:

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