Ordovician (jan 1, 486850000 BC – jan 1, 443100000 BC)
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.Added to timeline:
Date:
jan 1, 486850000 BC
jan 1, 443100000 BC
~ 5883516 years