Its neck and hind legs were long and slender, like that of an ostrich, but here the bird similarities end. It had a toothless beak and a tall crest on top of its skull, similar to an Australian cassowary. wyliei stood 5 feet tall at the hip and was roughly 11 feet long, resembling a large flightless bird with feathers on its arms and on its extraordinarily long tail. (Photo by Brittany Hance)ĭescribed for the first time today in the scientific journal PLOS ONE, A. Smithsonian scientists, Hans-Dieter Sues (right) and Tyler Lyson (left), examine a reconstructed Anzu wyliei skull. Originally collected in the early 1990s, the bones of the newly described dinosaur were found in the Upper Cretaceous Hell Creek Formation in North and South Dakota, inspiring scientists to nickname it “The Chicken from Hell.” Resembling a cross between a modern emu and a reptile, the new dinosaur A. No BBQ is large enough for this discovery In addition to Sues, the study’s authors are Matthew Lamanna of the Carnegie Museum of Natural History, Emma Schachner of the University of Utah and Tyler Lyson of the National Museum of Natural History. wyliei, we finally have the fossil evidence to show what this species looked like and how it is related to other dinosaurs.” Hans-Dieter Sues, curator of Vertebrate Paleontology at the National Museum of Natural History. The details of their appearance and biology remained a mystery,” says Dr. The discovery represents the first North American example of a species belonging to Oviraptorosauria, a group of dinosaurs mostly known from fossils found in Central and East Asia. “For almost one hundred years, the presence of oviraptorosaurs in North America was known only from a few bits of skeleton. wyliei also had forelimbs that were tipped with large, sharp claws. An illustration of Anzu wyliei shows its long, slender ostrich-like neck and hind legs unlike an ostrich, A.
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