Here are research of tyrannosaurs made in the year of 2003. Tyrannosaurs are one of the most studied dinosaurs and new research, and taxa are made almost every year.

New TaxaEdit

  • Aviatyrannis-Aviatyrannis is one of the smallest tyrannosaurs. It is known for fossils in Portugal. It was a cousin to Stokesosaurus.

New IchnotaxaEdit

New OotaxaEdit