Asked in Geology, Dinosaurs, Fossils
When was the Cretaceous Period?
Cretaceous Period The Cretaceous was about 145 million to 66 million years ago. The Cretaceous gets its name from the latin word for chalk, creta, because it includes the layers of this distinctive pure white limestone. It is the last period of the Mesozoic ("middle life") Era. ...
Asked in Geology
What period was the Jurassic period in?
you mean what era was the Jurassic period in it was in the mesezoic era inbeetween the triassic and the cretaceous periods mesezoic means middle life oh by the way anydinosaur from Jurassic park is not in the Jurassic don't believe they are there all from the cretaceous ...
Asked in Dinosaurs
A timeline of when the dinosaurs where alive?
Dinosaurs have been alive in the Mesozoic Era. The Mesozoic Era consist of three time periods the Triassic, Jurassic, and Cretaceous. The Triassic is the oldest part of the Mesozoic Era. The Cretaceous is the youngest part of the Mesozoic Era. The Triassic period had started 227 million years ago and ended 22 million years later. When the Triassic period ended the Jurassic period started. The Jurassic period started 205 million years ago and ended 61 million years later. After the Jurassic...