You searched for: “mesozoic
mesozoic (Greek for "middle life")
The ecological era, often referred to as the Age of Dinosaurs, extending from the end of the Permian Period 245 million years ago to the end of the Cretaceous 65 million years ago.

The era comprises three periods, the Triassic, Jurassic, and Cretaceous.

This entry is located in the following unit: Ocean and Deep Sea Terms (page 3)