Fossil discovered in New Mexico may belong to T. rex ancestor - KOB.com

Fossil discovered in New Mexico may belong to T. rex ancestor  KOB.comGiant Tyrannosaur Discovered in North America Is The Largest of Its Era  ScienceAlertLarge shinbone found in New Mexico belongs to close kin of T. rex  Reuters‘Unusually large’ tyrannosaur leg bone points to 10,000-pound behemoth  Popular ScienceA large fossil leg bone hints at T. rex’s origins, but scientists disagree  Science News