Earth Geology Geologic Time Scale Mesozoic Era

Mesozoic Era

The Mesozoic ("middle life") Era lasted from 245 to 65 million years ago. The Mesozoic is the age of the reptile and the dinosaur. It consists of three periods:

the Triassic - 245 to 208 million years ago, 

the Jurassic - 208 to 146 million years ago and

the Cretaceous - 146 to 65 million years ago.