Parasaurolophus 16.5" Dinosaur Plush Stuffed AnimalThis unusual looking dinosaur lived about 75 million years ago in what became North America and Asia. Parasaurolophus is a member of the duck billed Hadrosauridae family. An herbivore averaging about 30 feet in length (about as long as a bus) and weighing around 5,000 pounds (about as much as a large elephant). Scientists believe Parasaurolophus walked both upright and on all fours. That elaborate head crest was most likely used as an identity display