Tyrannosaurus rex may actually be three separate species

After analysing the teeth and thigh bones of 38 T. rex fossils, some researchers propose reclassifying them as three different species, but others are unconvinced

Tyrannosaurus rex may have been three species, scientists say

T. rex's big, bare teeth? They may be a myth, study says - The

Tyrannosaurus rex might be three different species - Big Think

They Want to Break T. Rex Into 3 Species. Paleontologists Aren't

Tyrannosaurus Rex May Have Been Three Species Instead Of One

Tyrannosaurus rex Smithsonian Institution

Are There Three Tyrannosaurus Species? T. rex is Studied

Bold theory' that Tyrannosaurus rex is 3 species gets stomped to

T. rex may have had lips like a modern lizard's

Tyrannosaurus rex may actually be three separate species

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