Studies by Tsukuba University and others have found that the fossil dinosaurs excavated in Uzbekistan in Central Asia are fossils of a new type of large carnivorous dinosaur that reigned at the top of the ecosystem before the prosperity of the Tyrannosaurus family. The group announced that it will be a clue to the transition of large carnivorous dinosaurs.

A research group such as Assistant Professor Kohei Tanaka of the University of Tsukuba learned that fossil dinosaur bones that had been excavated in Uzbekistan in Central Asia more than 20 years ago could not be classified and are stored in a local museum. I investigated in detail in.



As a result, the fossil is part of the dinosaur's upper jaw bone and is a fossil of a new large carnivorous dinosaur that reigned at the top of the ecosystem in the Late Cretaceous, about 90 million years ago, before the prosperity of the Tyrannosaurus family. We named it "Urgbegsaurus Uzbekistanensis" because it is highly likely.



The dinosaur features a large mouth and sharp, thin teeth, is estimated to be approximately 8 meters long and weigh more than 1 ton, and is thought to have since disappeared from the Northern Hemisphere.



It is said that about 84 million years ago, a member of Tyrannosaurus appeared and reigned at the top of the ecosystem, but the circumstances during that time are completely unknown.



Assistant Professor Tanaka says, "It will be a clue to know how the dinosaurs, which are the pinnacle of the ecosystem, have changed with the times."

The dinosaur features a large mouth and sharp, thin teeth, is estimated to be approximately 8 meters long and weigh more than 1 ton, and is thought to have since disappeared from the Northern Hemisphere.



It is said that about 84 million years ago, a member of Tyrannosaurus appeared and reigned at the top of the ecosystem, but the circumstances during that time are completely unknown.



Assistant Professor Tanaka says, "It will be a clue to know how the dinosaurs, which are the pinnacle of the ecosystem, have changed with the times."

Assistant Professor Tanaka says, "It will be a clue to know how the dinosaurs, which are the pinnacle of the ecosystem, have changed with the times."