Ordovician (1 janv. 486850000 av. J.-C. – 1 janv. 443100000 av. J.-C.)
Description:
The Ordovician is a geologic period and system, the second of six periods of the Paleozoic Era, and the second of twelve periods of the Phanerozoic Eon. The Ordovician spans 41.6 million years from the end of the Cambrian Period 486.85 Ma to the start of the Silurian Period 443.1 Ma.Ajouté au bande de temps:
Date:
1 janv. 486850000 av. J.-C.
1 janv. 443100000 av. J.-C.
~ 5883516 years