Tyrannosaurus Osborn, 1905
        †Dynamosaurus Osborn, 1905
        ?†Manospondylus Cope, 1892b
        †Nanotyrannus Bakker et al., 1988

        †Tyrannosaurus rex Osborn, 1905
            †Dynamosaurus imperiosus Osborn, 1905
            ?†Manospondylus gigas Cope, 1892b
            †Nanotyrannus lancensis (Gilmore, 1946c) (a juveline form (Carr, 1999))
            †Aublysodon mirandis Leidy, 1868b (a juveline form)
            †Stygivenator (a juveline form)
                †Stygivenator amplus (Marsh, 1892d) [Aublysodon amplus Marsh, 1892d]
                †Stygivenator cristatus (Marsh, 1892d) [Aublysodon cristatus Marsh, 1892d]
                †Stygivenator molnari

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