Classification of Schweitzer 1997

G. †Allosaurus Marsh 1877
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†Allosaurus fragilis Marsh 1877
G. †Tyrannosaurus Osborn 1905 [tyrant lizard]
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†Tyrannosaurus rex Osborn 1905 [tyrant lizard king]
G. †Orodromeus Horner and Weishampel 1988
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†Orodromeus makelai Horner and Weishampel 1988