Parasaurolophus was a Long-crested Duck-billed Dinosaur Parasaurolophus was an Ornithopod dinosaur that lived some 75 million years ago during the Cretaceous period in what is now North America. Parasaurolophus (pronounced pah-Ruhsaw-uh-lofe-Us) was a Hadrosaurid a group known for their bizarre head ornaments. In the case of Parasaurolophus, a large and elaborate cranial crest … [Read more...]