Alioramus was a carnivorous (meat-eating) dinosaur that lived in Mongolia Cretaceous period. Only a few fossils have so far been found, and they date to around 70 million years ago.
Alioramus was probably about 20 feet (6 meters) long, and weighed about 2 tons. However, there is some speculation that the very few fossils so far found are from juvenile animals, and that adults may have been considerably larger.