WebCorythosaurus is a genus of hadrosaurid "duck-billed" dinosaur from the Upper Cretaceous Period, about 77–75.7 million years ago. It lived in what is now North America. Its name means "helmet lizard", derived from … WebCorythosaurus definition, n. - Duck-billed dinosaur with nasal passages that expand into a crest like a hollow helmet.. See more.

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WebCorythosaurus casuarius (meaning "helmet lizard") is an extinct genus of hadrosaur dinosaur that lived in North America during the Late Cretaceous period around 77-75.7 … WebCorythosaurus /ˌkɒrɨθɵˈsɔrəs/ is a genus of duck-billed dinosaur from the Upper Cretaceous Period, about 76.5-74.8 million years ago. It lived in what is now North America. Its name means "helmet lizard ", derived from Greek. It was named and described in 1914 by Barnum Brown, and classified as a trachodontid. heroin comes from a plant

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WebParasaurolophus ( / ˌpærəsɔːˈrɒləfəs, - ˌsɔːrəˈloʊfəs /; meaning "near crested lizard" in reference to Saurolophus) is a genus of herbivorous hadrosaurid ornithopod dinosaur that lived in what is now North America and possibly Asia during the Late Cretaceous Period, about 76.5–73 million years ago. [2] Comparisons between the scleral rings of Corythosaurus and modern birds and reptiles suggest that it may have been cathemeral, active throughout the day at short intervals. The sense of hearing in hadrosaurids, specifically such as Lophorhothon, also seems to have been greatly developed because of an elongated lagena. The presence of a thin stapes (an ear bone that is rod-like i… WebFeb 12, 2015 · Corythosaurus — Corythosaurus meaning ’helmet lizard’ because of the shape of its crest (Greek korythos meaning ’helmet’ and sauros meaning ’lizard’) was a genus of duck-billed dinosaur from the Upper Cretaceous Period, about 80 million years ago. It lived in what is now North America. The first specimen was discovered in 1912 by … heroin compared to fentanyl