Resolving the long-standing enigmas of a giant ornithomimosaur Deinocheirus mirificus

Two almost complete skeletons are presented for the theropod dinosaur Deinocheirus mirificus, revealing a humpbacked form with a duckbill-like skull. For almost 50 years, the strange theropod dinosaur Deinocheirus mirificus has been regarded as one of the most intriguing puzzles in palaeontology. Known only from two gigantic forelimbs unearthed in Mongolia in 1965, it had been variously described as an ornithomimid, a therizinosaur or a member...