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Giant clawed dinosaur discovered in Utah

A new dinosaur, Nothronychus graffami, which had nine-inch-long hand claws and stood 13 feet tall, has been found in the desert in Utah.

Its skeleton, described in the current issue of Proceedings of the Royal Society B, represents the most complete remains ever excavated of a therizinosaur, meaning “reaper lizard.” It is one of only three such dinosaurs ever found in North America.

Lead author Lindsay Zanno told Discovery News that therizinosaurs, including the new Utah species, “are unusual in that they have small heads with a keratinous beak at the front of the mouth — the same material as the beak of modern birds — and small leaf-shaped teeth.”

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