15 gen 444079083 anni a. C. - End Ordovician - Graptolite
Descrizione:
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.Aggiunto al nastro di tempo:
Data:
15 gen 444079083 anni a. C.
Adesso
~ 5883516 years ago
