Dinosaurs lived during the Mesozoic era. The Mesozoic era roughly ran from 245 to 66 million years ago and is generally divided into three time periods: the Triassic, Jurassic, and Cretaceous periods. Dinosaurs first evolved during the Triassic period, increased in number and variety in the Juras...
Everything about dinosaurs, including dinosaur facts, pictures, toys, games, books and more. Ideal for kids, parents and teachers!
a retired paleontologist. Ronnie and Ms. Lernin travel back through time to experience the age of the dinosaurs firsthand. They visit three important time periods of the Mesozoic Era: the Triassic, the Jurassic
It lived on the richly vegetated islands that were around that area in Triassic times about 200 million years ago. Why did the dinosaur cross the road? Because chickens hadn’t evolved yet. The First Dinosaur to be Discovered in America The first discovery of dinosaur remains in North America...