Parasaurolophus is a hadrosaurid species of dinosaurs, from the Upper Cretaceous (about 76-65 million years ago) of North America. It was about 10 m (33 ft) long, 5.2 m (17 ft) high and weighed approximately 3500 kg (7,700 lb).

Parasaurolophus 1

Parasaurolophus 2

Parasaurolophus 3

Parasaurolophus 4