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dinosaur ages
Dinosaurs and Mammal Life is thought to have begun around 225-230 million years ago, During the triassic Period. The Jurassic Period began about 20-30 million years later, and went on for 72 million years. Then came the Cretaceous Period, which lasted for 79 million years.
Then, 65 million years ago, the last few dinosaurs died out and the Earth entered a New Age - The Cenozoic Era. We are still in the Cenezoic Era, and let's hope it lasts a long time to come.
Our other dinosaur website is: http://www.dinosaurtypes.net
