Classification of Lehman 1981

Fm. †Saurornithoididae Barsbold 1974
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G. †Saurornithoides Osborn 1924
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Saurornithoides junior Barsbold 1974
G. †Stenonychosaurus Sternberg 1932
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Stenonychosaurus inequalis Sternberg 1932
Fm. †Tyrannosauridae Osborn 1906 [tyrannosaurid]
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G. †Albertosaurus Osborn 1905 [Alberta lizard]
Invalid names: Deinodon Leidy 1856 [nomen dubium]
Fm. †Titanosauridae Lydekker 1885 [titanosaurid]
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G. †Alamosaurus Gilmore 1922
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Alamosaurus sanjuanensis Gilmore 1922
Fm. †Hypsilophodontidae Dollo 1882 [hypsilophodontid]
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G. †Parksosaurus Sternberg 1937
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Parksosaurus warreni Parks 1926
Fm. †Hadrosauridae Cope 1869 [hadrosaurid]
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G. †Hadrosaurus Leidy 1858
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Hadrosaurus navajovius Brown 1910
Invalid names: Kritosaurus Brown 1910 [synonym]
G. †Parasaurolophus Parks 1922
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Fm. †Nodosauridae Marsh 1890
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G. †Panoplosaurus Lambe 1919
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Panoplosaurus rugosidens Gilmore 1930
Fm. †Ceratopsidae Marsh 1888 [ceratopsid]
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G. †Centrosaurus Lambe 1905
G. †Ceratops Marsh 1888
G. †Chasmosaurus Lambe 1914
G. †Eoceratops Lambe 1915
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Eoceratops canadensis Lambe 1902
G. †Monoclonius Cope 1876
G. †Pentaceratops Osborn 1923
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G. †Torosaurus Marsh 1891
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Torosaurus utahensis Gilmore 1946
G. †Triceratops Marsh 1889
Fm. †Coeluridae Marsh 1881 [coelurid]
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G. †Paronychodon Cope 1876
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