15 Jan 444079083 Jahr v. Chr. - End Ordovician - Graptolite
Beschreibung:
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.
Zugefügt zum Band der Zeit:
Datum:
15 Jan 444079083 Jahr v. Chr.
Jetzt
~ 5883516 years ago