jan 1, 251000000 BC - Beginning of Mesozoic Era: 251 mys
Description:
-Climate was exceptionally warm throughout the period and played an important role in the evolution and diversification of new animal species.
-Large dinosaurs of the early Mesozoic were replaced later by lizards, snakes, and early mammal forms. By the end of the Mesozoic, the basis of modern life was in place.
Added to timeline:
Global Time Scale
Date:
