15 janv. 444079083 av. J.-C. - End Ordovician - Graptolite
Description:
444,000,000 years ago, 86% species lost. Graptolites were sea creatures. Over a million years ago, their demise was caused by a severe ice age that lowered sea levels.Ajouté au bande de temps:
Date:
15 janv. 444079083 av. J.-C.
Maintenaint
~ Il y a 5883516 ans
