Ordovician Period (6 feb 488000000 anni a. C. – 6 feb 416634490 anni a. C.)
Descrizione:
The area North of the tropics was mostly entire ocean, and most of the world's land was collected into the Southern supercontinent GondWana.Aggiunto al nastro di tempo:
Data:
6 feb 488000000 anni a. C.
6 feb 416634490 anni a. C.
~ 5883516 years
