Alioramus
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Alioramus (Alioramus remotus) was a tyrannosaurid from Mongolia. It is a close cousin of Tyrannosaurus rex. One major difference is the row of bumps on the top of its long snout.
Alioramus derived from a primitive branch of the tyrannosaur clade, has evolved along a very different path than its kin. Unlike the giant, flesh rendering cousins of Alioramus (such as Tyrannosaurus bataar), this tyrannosaur is relatively small (5 meters long) and very lightly built. Rather than the fat, boxy design of the skulls of the larger tyrannosaurs, the head of Alioramus is long and tapered. Alioramus is a sprinter, a visual hunter that will chase its prey into exhaustion before devouring it, pecking at the unfortunate animal and tearing many small wounds from its hide with the aid of rows of small, unserrated teeth.