Corythosaurus
Corythosaurus: Profile of a Prehistoric Giant Corythosaurus Corythosaurus (ko-RITH-oh-SAWR-us; “Corinthian helmet lizard”) is a genus of hadrosaurid, or “duck-billed,” dinosaur that roamed North America during the Late Cretaceous period, approximately 77 to 75.7 million years ago. Its name refers to the distinctive, helmet-like crest on top of its head. Numerous well-preserved fossils of Corythosaurus have […]