description Tarbosaurus bataar Overview
Tarbosaurus bataar was a large tyrannosaurid theropod from the Late Cretaceous Nemegt Formation of Mongolia. It had a massive skull, robust teeth, powerful hind limbs, and very small two-fingered forelimbs, and it was closely related to Tyrannosaurus. Numerous specimens representing different growth stages have made it important for studying tyrannosaurid anatomy, development, feeding, and evolution in Asia.
help Tarbosaurus bataar FAQ
How closely was Tarbosaurus bataar related to Tyrannosaurus rex?
Both were giant tyrannosaurids, and Tarbosaurus is usually placed among the closest Asian relatives of Tyrannosaurus. Tarbosaurus lived in Mongolia, while Tyrannosaurus is known from western North America.
Where have Tarbosaurus fossils been found?
Most important specimens come from the Nemegt Formation of Mongolia's Gobi Desert. These Late Cretaceous rocks have also produced dinosaurs such as Saurolophus, Gallimimus, and the giant ornithomimosaur Deinocheirus.
Why did Tarbosaurus have such small arms?
Like Tyrannosaurus, it had extremely reduced forelimbs with two functional fingers while relying on its enormous head and jaws to attack prey. Its skull, teeth, neck, and powerful hind limbs formed the main feeding and locomotor apparatus.
Did Tarbosaurus hunt or scavenge?
It was physically capable of hunting large dinosaurs and could also have scavenged available carcasses, as modern large predators do. Bite traces attributed to Tarbosaurus have been reported on fossils of Nemegt Formation dinosaurs.
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