Classification of Molnar 1980
Fm. †Tyrannosauridae Osborn 1906 [tyrannosaurid]
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G. †Albertosaurus Osborn 1905 [Alberta lizard]
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†Albertosaurus lancensis Gilmore 1946
†Albertosaurus libratus Lambe 1914
†Albertosaurus sarcophagus Osborn 1905
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Invalid names: Albertosaurus arctunguis Parks 1928 [synonym]
Invalid names: Gorgosaurus Lambe 1914 [synonym]
G. †Tyrannosaurus Osborn 1905 [tyrant lizard]
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†Tyrannosaurus rex Osborn 1905 [tyrant lizard king]