Alioramus is a theropod dinosaur of Cretaceous Mongolia. It is closely related to Tyrannosaurus.


Alioramus was around 5 to 6 meters long, based on the type specimen.[1] However, it is not certain whether the specimen is a juvenile or not. The nasal bones are fused and form a small, bony crest.


A Soviet-Mongolian expedition to the Gobi Desert uncovered Alioramus fossils in the 1970s, and they were described in 1976. A second species was later described in 2009.


Like other tyrannosaurids, Alioramus was a carnivore that ate meat.


  1. Kurzanov, Sergei M.. "A new carnosaur from the Late Cretaceous of Nogon-Tsav, Mongolia" (in Russian). The Joint Soviet-Mongolian Paleontological Expedition Transactions 3: 93–104.

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