During recent excavations, scientists uncovered the dinosaur’s hand and well-preserved claw sheaths made out of the protein keratin, which makes up animal feathers, hair, and hooves.

It could be “the largest fully preserved dinosaur claw” yet unearthed, study co-author Darla Zelenitsky, a paleontologist and associate professor at the University of Calgary, said in an email.

“This is by far the biggest claw preserved for a dinosaur that has that keratinous sheath on it.”The dinosaur has been given the scientific name Duonychus tsogtbaatari, in honor of Mongolian ...

Discovered 25 years ago in Dordogne, southwestern France, the Cussac cave is an immaculately preserved jewel of prehistory – and so strictly protected by ...

A team of palaeontologists from South Africa’s prestigious Animal Institution uncovered the fossilised remains of a ...

“This is by far the biggest claw preserved for a dinosaur that has that keratinous sheath on it.”The dinosaur has been given the scientific name Duonychus tsogtbaatari, in honor of Mongolian ...

Discovered 25 years ago in Dordogne, southwestern France, the Cussac cave is an immaculately preserved jewel of prehistory – and so strictly protected by the French ministry of culture that the ...