30 juill. 443000000 av. J.-C. - Ordovician-Silurian mass extinction
Description:
As the third largest extinction in earths history, covering two peak dying times, 85% of sea life was drastically reduced in number. An ice age due to climate change and fall in sea level has been blamed on the extinction of the trilobites, brachiopods and graptolites of this time, messing with the chemistry of the oceans.Ajouté au bande de temps:
Date:
30 juill. 443000000 av. J.-C.
Maintenaint
~ Il y a 5883516 ans