The iconic Tyrannosaurus rex, or “T. Rex,” might need to be re-categorized into three distinct species, according to researchers. The Tyrannosaurus rex is the only recognized… ...

By using 3D skull scans of 18 species, scientists discovered that while T. rex evolved a crocodile-like skull built for ...

Tyrannosaurus rex at the American Museum of Natural History in 2019. In a new paper, Gregory Paul, an independent paleontologist, argues that T. rex is not one but three species.

Is T. rex really three royal species? Paleontologists cast doubt over new claims. A new study based on private fossils claims that Tyrannosaurs are kings, queens, and emperors. By Shi En Kim ...

Researchers claim to have new evidence that fossils found in the 1940s are not of a juvenile T-Rex, but of another distinct species: the Nanotyrannus. Not all paleontologists are convinced.

T. rex, meaning “tyrant lizard king,” has been the sole species of the genus Tyrannosaurus, recognised since the dinosaur was first described in 1905. A genus is a broader grouping of related ...

T. rex has been the single species of the genus Tyrannosaurus recognized since the dinosaur was first described in 1905. A genus is a broader grouping of related organisms than a species.

But in March, a team of paleontologists proposed that the T. rex was actually one of three species of Tyrannosaurus, along with two new ones the scientists named the T. imperator and the T. regina.

Some researchers are proposing to classify the monstrous T. rex as three species — not just one — in an assertion that is drawing some controversy in the paleontology world. (Gregory S. Paul) ...

The iconic Tyrannosaurus rex, or "T. Rex," might need to be re-categorized into three distinct species, according to researchers. The Tyrannosaurus rex is the only recognized species of the group ...