Science ❯Paleontology ❯Dinosaurs

Tyrannosaurus

Tyrannosaurus mcraeensis Tyrannosaurus rex Tyrannosaurus origins Tyrannosaurus species Tyrannosaurus fossils Tyrannosaurus mcraensis Nanotyrannus Tyrannosaurini

New Species of Tyrannosaurus Discovered in New Mexico

Tyrannosaurus mcraeensis, an Older and More Primitive Relative of T. rex, Sparks Debate Among Paleontologists

Nanotyrannus Identified as Separate Species, Not Juvenile T. rex, in Controversial Study