Classification of McDonald et al. 2010
G. †Brachylophosaurus Sternberg 1953
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†Brachylophosaurus canadensis Sternberg 1953
Unr. †Ankylopollexia Sereno 1986
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Unr. †Styracosterna Sereno 1986
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Unr. †Hadrosauriformes Sereno 1997
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Superfm. †Hadrosauroidea Huene 1954
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Fm. †Hadrosauridae Cope 1869 [hadrosaurid]
G. †Probactrosaurus Rozhdestvensky 1966
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†Probactrosaurus gobiensis Rozhdestvensky 1966
†Probactrosaurus mazongshanensis Lü 1997