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7 mars 505000000 av. J.-C. - Pikaia's do no have skeletons and belived to have extinct 505 years ago

Description:

I got this in formation from the California Life Science book and from https://evolution.berkeley.edu/evolibrary/article/_0_0/cambrian_11

Ajouté au bande de temps:

laura nguyen timeline

26 oct. 2018

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539

Date:

7 mars 505000000 av. J.-C.

Maintenaint

~ Il y a 5883516 ans

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