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Paleontologists Reconstruct Cloacal Opening of Non-Avian Dinosaur | Paleontology – Sci-News.com

Paleontologists from the United Kingdom and the United States have described the cloacal opening of Psittacosaurus, an ornithischian dinosaur that lived about 110…

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Although paleontologists know now much about dinosaurs and their appearance, they have not known anything about how their cloacal region — the all-purpose opening used for defecation, urination and breeding — appears. Paleontologists from the United Kingdom and the United States have now described the cloacal opening of Psittacosaurus, an ornithischian dinosaur that lived about 110 million years ago (Early Cretaceous epoch) in what is now China, and compared it to vents across modern land-dwelling…

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