This is an artist's impression of Ulughbegsaurus uzbekistanensis, an apex predator that lived in Central Asia about 90 million years ago.

Scientists have discovered a previously unknown species of predatory dinosaur with shark-like teeth that would have been the T. rex of its day.

Dinosaur jaw - Tyrannosauridae - 360 mm - Catawiki

It belongs to family of dinosaurs known as carcharodontosaurs, best known for their shark-like teeth. Named Ulughbegsaurus uzbekistanensis, it was at least 22 feet (seven meters) long and weighed more than a ton (1,000 kilograms) and would have roamed Central Asia about 90 million years ago.

The jawbone fossil was thought have been unearthed in the 1980s and found its way to the State Geological Museum in Tashkent, Uzbekistan but its significance wasn’t recognized until 2019, said Darla Zelenitsky, an associate professor of dinosaur paleobiology at the University of Calgary in Canada.