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CORYTHOSAURUS AND PARASAUROLOPHUS

Corythosaurus And Parasaurolophus

Like all crested duckbills,corythosaurus breathed through its bony,hollow and curved crest just like we breathe through our sinuses. It likely blasted sound out its crest. The first corythosaurus skeleton ever found(which had skin impressions ) was placed on a ship and sank in World War I and never found again.