About parasaurolophus parasaurolophus is a dinosaur that lived about 76 million years ago during the late cretaceous period it was first discovered in 1922 in alberta canada by dr william a parks. The most distinctive feature of parasaurolophus was the long narrow backward curving crest that grew out of the back of its skull recently a team of paleontologists computer modeled this crest from various fossil specimens and fed it with a virtual blast of air. Parasaurolophus is a hadrosaurid sometimes called a duck billed dinosaur from approximately 765 73 million years ago late cretaceousit is a herd animal feeding on the parks rich vegetation the most stunning feature of the parasaurolophus is the crest on its head scientists were unsure of its function until today. Parasaurolophus is one of the last and best known crested duckbills like other duckbills it probably traveled in herds the fancy crest of this big plant eater has long been of interest to scientists one paleontologist speculated that it held scent glands or salt or helped the animal breathe underwater but it was in fact a trumpet
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