James Di Loreto / Smithsonian
A fossilized tooth of the new tyrannosaur Timurlengia euotica from the Late Cretaceous Period that was found in the Kyzylkum Desert, Uzbekistan. The fossilized remains of a new horse-sized dinosaur, Timurlengia euotica, reveal how Tyrannosaurus rex and its close relatives became top predators, according to a new study published in the Proceedings of the National Academy of Sciences.
