Tertiary

Tertiary
64-1.6 mya
Era: Cenozoic
Preceded by Cretaceous
Followed by Quaternary
Epochs: Pliocene (5 to 1.6 mya). Miocene (23 to 5 mya). Oligocene (38 to 23 mya). Eocene (54 to 37 mya). Paleocene (65 to 54 mya).

See Tertiary in Wikipedia, the free encyclopedia.

The Tertiary was the period of time 65-1.6 million years ago. Major events include the radiation of mammals, birds and grasses.