CorythosaureThe Corythosaurus is a large herbivorous dinosaur that lived in North America approximately 77 million years ago, during the Late Cretaceous period. It could reach up to 9 meters in length and was distinguished by its tall, helmet shaped crest, which earned it the nickname "helmeted dinosaur." Interesting fact: paleontologists believe that this crest was used to produce powerful sounds for communication. Its impressive appearance has led to its