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July 18 2013

Huge Plant-Eating Dinosaur Never Ran Out of Teeth


Some plant-eating dinosaurs grew new teeth every couple of months, with some of the largest herbivores developing a replacement tooth every 35 days, to keep their chompers from getting too worn down on all that vegetation, new research finds.

A team of scientists studied the Diplodocus and Camarasaurus, two different types of long-necked, plant-eating dinosaurs, or sauropods, to determine if their diets may have influenced how often they developed new teeth. They found that Diplodocus, the longest dinosaur yet discovered, replaced their teeth fairly frequently growing one new tooth every 35 days while the Camarasaurus took nearly twice as long, about 62 days, to form a new tooth.

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