Maiasaura, Juvenile Lower Jaws Dilophosaurus Western Colorado

Western Colorado

3 million years old

Carcharodon megalodon was the largest shark that ever haunted the oceans

The unusually long legs of Atlasaurus- longer than any other known genus of sauropod--point to its unmistakable kinship with the North American and Eurasian Brachiosaurus

Maiasaura, Juvenile Lower Jaws Dilophosaurus Western ColoradoMaiasaura (meaning "good mother lizard") is a large herbivorous hadrosaurid ("duck billed") dinosaur genus that lived in the area currently covered by the state of Montana in the Upper Cretaceous Period, about 76. 7 million years ago. The first fossils of Maiasaura were discovered in 1978. In 1979, the genus was named. The name refers to the find of nests with eggs, embryos and young animals, in a nesting colony. These showed that Maiasaura fed its