Closest relative of Tyrannosaurus rex discovered in New Mexico

The new species, named Tyrannosaurus mcraeensis, was uncovered in the Hall Lake Formation in New Mexico.

Paleontologists Stunning Conclusion: 2.5 Billion T. Rexes Roamed North America Over the Cretaceous Period

Major Groups of Dinosaurs - Fossils and Paleontology (U.S. National Park Service)

Tyrannosaur, Size, Species, & Facts

New dinosaur species may be closest known relative of Tyrannosaurus rex

Tarbosaurus - Wikipedia

New Dinosaur Considered T. Rex's Closest Relative Discovered 30 Years After Being Displayed in New Mexico Museum

A tiny T. rex ancestor shows how fast tyrannosaurs became giants

Tyrannosaurs show their sensitive side: UNM Newsroom

New Dinosaur Considered T. Rex's Closest Relative Discovered 30 Years After Being Displayed in New Mexico Museum

Fossil found in New Mexico is an older, more primitive relative of T. rex

New species is older relative of T. rex