Dinosaur Found With 'Vacuum-Cleaner' Mouth

Dinosaur Found With 'Vacuum-Cleaner' Mouth

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While Nigersaurus' mouth is shaped like the wide intake slot of a vacuum, it has something lacking in most cleaners — hundreds of tiny, sharp teeth to grind up its food.

The 30-foot-long Nigersaurus had a feather-light skull held close to the ground to graze like an ancient cow. Sereno described it as a younger cousin of the North American dinosaur Diplodocus.

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Most remarkable are the radical, specialized adaptions of the animal apparently for grazing. Also noteworthy were the scientific methods used to explore and reconstruct the few bones that they found.

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