Flexible molars made chewing champions out of duck-billed dinosaurs | Science News

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Flexible molars made chewing champions out of duck-billed dinosaurs

Flexible molars made chewing champions out of duck-billed dinosaurs

Tiny scratches in the fossilized teeth of Edmontosaurus suggest these large herbivores may have had an unusual way of chewing

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4:28pm, June 30, 2009
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