What events occurs during the Mesozoic Era?

The Mesozoic Era began 252 million years ago with the largest mass extinction in Earth's history and ended 66 million years ago with the asteroid that killed off the dinosaurs. This lesson will cover the important events thatoccurred during the Mesozoic Era

During the Mesozoic, or "Middle Life" Era, life diversified rapidly and giant reptiles, dinosaurs and other monstrous beasts roamed the Earth. The period, which spans from about 252 million years ago to about 66 million years ago, was also known as the age of reptiles or the age of dinosaurs

The Mesozoic Era lasted more than 180 million years. During this time, many modern forms of plants, invertebrates, and fishes evolved. On land, dinosaurs were the dominant animals, while the oceans were populated by large marine reptiles, and Pterosaurs ruled the air.