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New Dinosaur Species Duonychus tsogtbaatari Discovered in Mongolia

Paleontologists have identified Duonychus tsogtbaatari, a unique dinosaur with two claws, found in Mongolia's Gobi Desert.

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  2. Largest fully preserved dinosaur claw unearthed in Mongolia’s Gobi Desert

    The discovery of Duonychus tsogtbaatari’s claw is an “exciting” find, said David Hone, a paleontologist and reader in zoology at Queen Mary University of London, who wasn’t involved in the research.

    Largest fully preserved dinosaur claw unearthed in Mongolia’s Gobi Desert

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  3. Two-clawed dinosaur species discovered in Gobi Desert

    Researchers believe the species' long, curved claws and its ability to strongly flex them would have made it an efficient grasper of vegetation.

    Two-clawed dinosaur species discovered in Gobi Desert

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Updated: Mar 25th, 2025, 6:17 PM ET

Summary

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Scientists have uncovered a remarkable new dinosaur species, Duonychus tsogtbaatari, in Mongolia's Gobi Desert. This therizinosaur is characterized by its unique two-clawed limbs and distinctive features that suggest a diet of vegetation. Weighing around 260 kg and standing about 10 feet tall, Duonychus had keratinous sheaths covering its long claws, a first for its group. The discovery sheds light on the evolutionary adaptations of therizinosaurs during the Cretaceous period, with implications for our understanding of dinosaur behavior and anatomy. This significant find was made during fossil recovery efforts in a well-known dinosaur fossil site.

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New Dinosaur Species Duonychus tsogtbaatari Discovered in Mongolia - Pano News