Deinocheirus ("terrible hand") was a theropod dinosaur which existed in southern Mongolia throughout the Late Cretaceous time.The only known fossil leftovers are a single pair of massive, eight-foot-long (2.5 m) forearms with 10-inch long claws and the leftovers of some ribs and vertebrae.

Deinonychus 1

Deinonychus 2

Deinonychus 3

Deinonychus 4