Classification of Ryan 1997

Fm. †Ornithomimidae Marsh 1890 [ornithomimid]
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G. †Ornithomimus Marsh 1890
Fm. †Tyrannosauridae Osborn 1906 [tyrannosaurid]
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G. †Albertosaurus Osborn 1905 [Alberta lizard]
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†Albertosaurus libratus Lambe 1914
Fm. †Hypsilophodontidae Dollo 1882 [hypsilophodontid]
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G. †Thescelosaurus Gilmore 1913
Fm. †Ceratopsidae Marsh 1888 [ceratopsid]
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G. †Pentaceratops Osborn 1923
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Fm. †Lambeosauridae Parks 1923 [lambeosaurine]
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G. †Corythosaurus Brown 1914
G. †Parasaurolophus Parks 1922
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