Papo CorythosaurusPapo Corythosaurus Papo model 55099 Product Dimensions: 19. 4 x 5. 7 x 6. 6 cm Age: 3 years and up Corythosaurus was a hadrosaurid, or duck billed dinosaur, that lived during the Late Cretaceous period in what is now North America. Its most famous for its large, bony crest, which likely helped with vocalization and species recognition. Corythosaurus was a plant eater that could walk on both two and four legs and lived in large herds. Fossils have