DVL-0101Specimen Record
Illustration of Tarbosaurus bataar

Tarbosaurus

Tarbosaurus bataar

TAR-boh-SOR-us bah-TAR

Asia's answer to T. rex, this fearsome predator ruled Mongolia's ancient landscapes with bone-crushing jaws nearly as powerful as its famous American cousin.

Did you know?

Tarbosaurus means 'alarming lizard,' a name that likely understates how terrifying this predator would have been to encounter

About

Tarbosaurus bataar was one of the largest and most formidable predators to ever stalk the Asian continent. This massive tyrannosaurid roamed what is now Mongolia and China during the final age of the dinosaurs, approximately 70 million years ago. With a skull measuring over a meter long and filled with dozens of teeth, Tarbosaurus was the undisputed of its ecosystem, likely hunting large hadrosaurs and sauropods that shared its habitat.

The relationship between Tarbosaurus and its more famous relative Tyrannosaurus rex has long fascinated paleontologists. Some researchers have even proposed that Tarbosaurus should be considered an Asian species of Tyrannosaurus, though most current classifications keep them separate. The two giants evolved similar body plans independently on different continents, a striking example of convergent evolution among tyrannosaurs. Tarbosaurus had a slightly narrower skull and smaller forelimbs proportionally, but was otherwise remarkably similar to its North American counterpart.

Tarbosaurus was first discovered in 1946 during a Soviet-Mongolian expedition to the Gobi Desert. Soviet paleontologist Evgeny Maleev initially described several specimens as different species before they were consolidated into Tarbosaurus bataar. The Nemegt Formation of Mongolia has since yielded dozens of specimens, including remarkably complete skulls and skeletons representing individuals of various ages, making Tarbosaurus one of the best-understood Asian theropods.

Studies of Tarbosaurus braincases have revealed sophisticated sensory capabilities, including well-developed olfactory bulbs for tracking prey by scent. Biomechanical analyses suggest its bite force, while impressive, may have been slightly less than T. rex due to its narrower skull construction—though still more than sufficient to crush bone and dispatch any prey in its environment.

First described1946
Discovered bySoviet-Mongolian Paleontological Expedition (described by Evgeny Maleev, 1955)
Type specimenPIN 551-1