Classification of Ryan 1997

Fm. †Ornithomimidae Marsh 1890 [ornithomimid]
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G. †Struthiomimus Osborn 1916
Fm. †Tyrannosauridae Osborn 1906 [tyrannosaurid]
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G. †Albertosaurus Osborn 1905 [Alberta lizard]
G. †Aublysodon Leidy 1868
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Aublysodon mirandus Leidy 1868
G. †Tyrannosaurus Osborn 1905 [tyrant lizard]
Fm. †Titanosauridae Lydekker 1885 [titanosaurid]
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G. †Alamosaurus Gilmore 1922
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Alamosaurus sanjuanensis Gilmore 1922
Fm. †Hadrosauridae Cope 1869 [hadrosaurid]
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G. †Anasazisaurus Hunt and Lucas 1993
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Anasazisaurus horneri Hunt and Lucas 1993 [Anasazi lizard]
G. †Naashoibitosaurus Hunt and Lucas 1993
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Naashoibitosaurus ostromi Hunt and Lucas 1993
Fm. †Nodosauridae Marsh 1890
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G. †Euoplocephalus Lambe 1910
G. †Panoplosaurus Lambe 1919
Fm. †Ceratopsidae Marsh 1888 [ceratopsid]
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G. †Pentaceratops Osborn 1923
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G. †Torosaurus Marsh 1891
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Torosaurus latus Marsh 1891
Fm. †Lambeosauridae Parks 1923 [lambeosaurine]
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G. †Parasaurolophus Parks 1922
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