Researchers suggest T-Rex fossils are another species. Not all agree

The 120-year search for the purpose of T. rex's arms

The T. Rex May Have Been 70 Percent Larger Than Believed

Nannotyrannus might just be a separate species from T. Rex : r

Tyrannosaurus rex hunted for live prey

Tyrannosaurus Rex doesn't deserve quite so much attention.

Has T. rex lost its bite? Menacing snarl may be wrong

Timeline of tyrannosaur research - Wikipedia

1.7 Billion T. Rexes Lived on Earth. Where Are All the Bones?

Researchers suggest T-Rex fossils are another species. Not all agree