T. rex may have had 2 equally terrifying sibling species, new research suggests

Splitting T. Rex Into 3 Species Becomes a Dinosaur Royal Rumble - The New York Times

Controversial idea that T. rex was three species comes under fire

Terrifying Tyrannosaur - TV Tropes

The tall tale of the discovery of the T. rex

T. rex's older, equally hulking relative found in New Mexico

Tyrannosaurus, Paleontology Wiki

We can be fun at parties and be scientifically accurate at the same time : r/Dinosaurs

T-rex may have used small arms for mating, discovery of Meraxes gigas dinosaur suggests, World News

Thoughts on feathered T. rex? : r/Dinosaurs