- Deinocheirus was a lrge theropod dinosaur that lived about 70 million years ago in Mongolia. Its name means "terrible hand". This lizard was really huge. It was 10 meters long and grew up to 10 tons. When it was discovered it was thought that Deinocheirus had been a carnivore and it could kill the prey of almost any size. It used its enormous 40 centimeters long claws to assisting im pulling down branches.
The most well-preserved parts of its fossils are arms. They were about 2.5 meters long with 20 centimeters long claws. Also it had very long neck. It probably fed like sauropods, reaching the highest food. It was 4 meters tall and probably the highest theropod. It could use its claw for defending. The predators like Tarbosaurus could attack this peaceful giant.
The only known fossil remains are a single pair of massive forelimbs and the remains of some ribs and vertebrae. They were found on 9 July 1965 during a Polish-Mongolian expedition to the Gobi by Professor Zofia Kielan-Jaworowska at the Altan Ula III site in Ömnögovi Province. The find was reported by her in 1966
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