Classification of Holtz, Jr. 2001
Fm. †Tyrannosauridae Osborn 1906 [tyrannosaurid]
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Subfm. †Tyrannosaurinae Matthew and Brown 1922 [tyrannosaurine]
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G. †Tyrannosaurus Osborn 1905 [tyrant lizard]
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†Tyrannosaurus bataar Maleev 1955
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Invalid names: Gorgosaurus lancinator Maleev 1955 [synonym], Maleevosaurus novojilovi Maleev 1955 [synonym], Tarbosaurus efremovi Maleev 1955 [synonym]
†Tyrannosaurus rex Osborn 1905 [tyrant lizard king]
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Invalid names: Nanotyrannus lancensis Gilmore 1946 [synonym]
Invalid names: Maleevosaurus Carpenter 1992 [synonym], Nanotyrannus Bakker et al. 1988 [synonym], Tarbosaurus Maleev 1955 [synonym]
Invalid names: Aublysodontinae Nopcsa 1928 [empty]
G. †Siamotyrannus Buffetaut et al. 1996 [Siam tyrant]
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†Siamotyrannus isanensis Buffetaut et al. 1996