Word: dodson
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Dates: during 1993-1993
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...modern birds, on gizzard stones to do the actual chewing. Horned dinosaurs like Triceratops, which lived toward the end of the dinosaur era, in the late Cretaceous, had very inefficient jaws. "Their teeth were arranged in a vertical plane, which is very unusual," explains University of Pennsylvania paleontologist Peter Dodson. "That essentially means they were eating salad with a pair of scissors...