Researchers suggest T-Rex fossils are another species. Not all agree
The species of dinosaur named Tyrannosaurus Rex have the most closest relative in the form of the normal poultry chicken. : r/Damnthatsinteresting
T. rex evolved from tiny dinosaurs – DW – 05/06/2019
Tyrannosaurus - Wikipedia
A giant tyrannosaur from the Campanian–Maastrichtian of southern North America and the evolution of tyrannosaurid gigantism
New species is older relative of T. rex
Pregnant T-rex discovery sheds light on evolution of egg-laying - ABC News
Big dino, little dino: how T. rex's relatives changed their size
New dinosaur species may be closest known relative of T. rex, study suggests
Predatory dinosaurs such as T. rex sported li