Closest relative of Tyrannosaurus rex discovered in New Mexico - Study Finds

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

T. Rex Related to Chickens

We've finally figured out why there were no medium-sized dinosaurs

The Thorny Problem of Tallying Every T. rex to Ever Live - Atlas

Newly discovered dinosaur had tiny arms like T. rex

A new Tyrannosaurus species is identified in New Mexico : NPR

Tyrannosauridae - Wikipedia

New Mexico scientists study fossil of T. rex relative found near

Tyrannosaurus rex, Prehistoric Planet Wiki

A tiny mystery dinosaur from New Mexico is officially T. rex's cousin