Plant-eating dinosaur a "Cretaceous weed whacker"

Scientists have found in southern Utah a nicely preserved skull with jaws containing 800 teeth, scaly skin impressions and other fossil remains of a new species of duck-billed dinosaur from 75 million years ago.

The bipedal herbivorous dinosaur, named Gryposaurus monumentensis, was about 30 feet long and pigged out on plenty of plants.

"What you're looking at with Gryposaurus monumentensis is basically the Cretaceous version of a weed whacker,"
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