Corythosaurus

- Pronunciation: ko-RITH-uh-SAWR-us
- Translation: Helmet Lizard
- Order: Ornithischia
- Suborder: Ornithopoda
- Infraorder: Iguanodontia
- Family: Hadrosauridae
- Height: 21 feet (6.4 meters)
- Weight: 4,000 - 8,860 lbs (1,814 - 4,019 kg)
- Length: 30 feet (9.1 meters)
- Period: Late Cretaceous
- Description: Herbivore, Bipedal, semi Quadrupedal
- Notes: Corythosaurus had a hollow, helmet-shaped crest atopits long, narrow head. Though its beak-shaped snout had no teeth,its cheeks were lined with batteries of plant-grinding teeth. Thisdinosaur was discovered in Alberta, Canada.