Classification of Simpson 1927

†Dryolestes vorax Marsh 1879
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Fm. †Paurodontidae Marsh 1887
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G. †Archaeotrigon Simpson 1927
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G. †Paurodon Marsh 1887
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†Paurodon valens Marsh 1887
G. †Tanaodon Simpson 1927
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†Tanaodon agilis Simpson 1927
Fm. †Dryolestidae Marsh 1879
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G. †Amblotherium Owen 1871
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†Amblotherium debilis Marsh 1881
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Invalid names: Dryolestes gracilis Marsh 1881 [replaced]
†Amblotherium gracilis Marsh 1879
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Invalid names: Laodon venustus Marsh 1887 [synonym]
G. †Dryolestes Marsh 1878
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†Dryolestes priscus Marsh 1878
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Invalid names: Asthenodon segnis Marsh 1887 [synonym], Stylacodon validus Marsh 1880 [synonym]
G. †Euthlastus Simpson 1927
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†Euthlastus cordiformis Simpson 1927
G. †Herpetairus Simpson 1927
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†Herpetairus arcuatus Marsh 1879
G. †Kepolestes Simpson 1927
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†Kepolestes coloradensis Simpson 1927
G. †Laolestes Simpson 1927
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†Laolestes eminens Simpson 1927
G. †Malthacolestes Simpson 1927
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†Malthacolestes osborni Simpson 1927
G. †Melanodon Simpson 1927
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†Melanodon oweni Simpson 1927
G. †Miccylotyrans Simpson 1927
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†Miccylotyrans minimus Simpson 1927
G. †Pelicopsis Simpson 1927
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†Pelicopsis dubius Simpson 1927
Fm. †Dicrocynodontidae Marsh
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G. †Dicrocynodon Marsh
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†Dicrocynodon victor Marsh 1880
G. †Docodon Marsh 1881
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†Docodon striatus Marsh 1881
G. †Ennacodon Marsh
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†Ennacodon crassus Marsh 1887