The wraps came off Thursday as the Smithsonian's National Museum of Natural History returned the three-horned dinosaur to public display after more than two years of refurbishing.
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In the same ancient logjam that yielded N . mckinleyi, Wolfe and Kirkland have also uncovered an intriguing new species of horned dinosaur, the oldest ever recovered from North America.
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Although horned dinosaur remains have previously been found in the Arctic, Dodson notes, " we had not really learned very much other than that they were present ."
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"S . angustirostris " was one of the largest herbivores of the Nemegt Formation, which lacked large horned dinosaurs, but had sauropods and a more diverse theropod fauna.
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I was brushing up for a game show, having selected horned dinosaurs as a subject, and felt that active learning ( i . e . editing ) was better than passive.
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The first fact that I learned this way that I then got asked about was the name of the horned dinosaurs, which is why a lot my early edits were on these.
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Robotic dinosaurs have become popular in recent exhibits around the country, and the museum has adopted some of this technology to demonstrate the different chewing mechanisms of duck-billed and horned dinosaurs.
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Considered the two-legged, great-granddaddy of horned dinosaurs like the triceratops and protoceratops, evolution took a strange turn by forcing its descendants back on all fours, Stewart said.
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The three-horned dinosaur returns to public view Thursday with the unveiling of a full-size cast of the 23-foot-long animal and announcement of it's new nickname.
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Perhaps best known to laypeople were the horned dinosaurs called Ceratopsia of the Cretaceous Period, which were restricted to Asia and western North America ( which were connected for much of this era ).
