The new species, named Tyrannosaurus mcraeensis, was uncovered in the Hall Lake Formation in New Mexico.
New Mexico Museum of Natural History and Science
Fossil found in New Mexico is an older, more primitive relative of T. rex
The Road Report: New Mexico — The Tyrannosaur State
Tyrannosaurus rex, Prehistoric Planet Wiki
Billions of fearsome T-Rex dinosaurs once roamed North America, new study shows, maybe in your backyard – Daily Democrat
Closest Known Relative Of T. Rex Discovered From 72 Million-Year-Old Skull
Big Joe is coming to Knuthenborg - Knuthenborg
We've found the medium-sized tyrannosaurs that came before T. rex
New Dinosaur Species Closest Relative to T. Rex Found
New species is older relative of T. rex
Tyrannosaur, Size, Species, & Facts
New dinosaur species may be closest known relative of T. rex, study suggests
T-Rex: Tyrannosaurus Dinosaur Facts and Information