Mid Tertiary (jan 1, 35000000 BC – jan 1, 2000000 BC)
Description:
Mammals have evolved from small, simple forms to a diverse group. Primates, cetaceans, and other groups evolve. The Earth cools and deciduous plants become more common.
Added to timeline:
Date:
jan 1, 35000000 BC
jan 1, 2000000 BC
~ 5883516 years