T. rex and the World of the Tyrannosaurs Wiki
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Albertosaurus sarcophagus.gif

Albertosaurus libratus.jpg

These are skull comparisons of Albertosaurus libratus ("Gorgosaurus") and Albertosaurus sarcophagus.


  • Albertosaurus libratus is on the bottom
  • Due to their extreme similarities of the skull some conclude that they belong to the same genus