Ordovician Period (sep 30, 45000000 BC – aug 1, 5 BC)
Description:
during the ordocivian some animals and plants left the water but didnt go farther than the land right next to the water. This meant most organisms still stayed in the water. It ended with a mass extinction. (began 495 million years ago and ended 443 million years ago)
Added to timeline:
Date:
sep 30, 45000000 BC
aug 1, 5 BC
~ 5883516 years