Here are taxa and research made in the year of 1914 based on tyrannosaurs.
- Gorgosaurus-Gorgosaurus is very similar to Albertosaurus. In fact, some claim they could be the same dinosaur. Fossils have been only found in North America. Although, fossils have been dubbed in China, Mongolia, and Japan, they most likely belonged to other tyrannosaurids, or Tarbosaurus