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14 mai 48800000 av. J.-C. - Cambrian Extinction

Description:

The Cambrian extinction refers to several extinction events during the Cambrian Period (approximately 485–540 million years ago). likely caused by environmental changes such as fluctuations in ocean oxygen levels, climate shifts, and possible volcanic activity.

Ajouté au bande de temps:

Mammal Evolution

ByAllyson Smithson
il y a 3 mois
0
0
257

Date:

14 mai 48800000 av. J.-C.
Maintenaint
~ Il y a 5883516 ans
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