Deinocheirus mirificus was discovered in 1965 by a Polish-Mongolian Expedition led by Professor Zofia Kielan-Jaworosha. A pair of large arms, huge claws, shoulder girdles and a few other bones were found in the Nemegt Formation of Mongolia. Name by palaeontologist Halszka Osmolska – Greek for horrible hand. Believed to be a carnivorous dinosaur at the…