Classification of Engelmann and Callison 1998

Or. †Triconodonta Osborn 1888 [triconodont]
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Fm. †Amphilestidae Osborn 1888
Fm. †Triconodontidae Marsh 1887
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G. †Priacodon Marsh 1887
Subfm. †Amphilestinae Osborn 1888
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G. †Triconolestes Engelmann and Callison 1998
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Triconolestes curvicuspis Engelmann and Callison 1998
Or. †Docodonta Kretzoi 1946 [dodocont]
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G. †Docodon Marsh 1881
Fm. †Spalacotheriidae Marsh 1887
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G. †Tinodon Marsh 1879
Fm. †Paurodontidae Marsh 1887
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G. †Araeodon Simpson 1937
G. †Euthlastus Simpson 1927
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Euthlastus cordiformis Simpson 1927
Superfm. †Dryolestoidea Butler 1939
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Fm. †Dryolestidae Marsh 1879
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G. †Amblotherium Owen 1871
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Amblotherium debilis Marsh 1881
Amblotherium gracilis Marsh 1879
G. †Dryolestes Marsh 1878
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Dryolestes priscus Marsh 1878
G. †Herpetarius Simpson 1927
G. †Herpetairus Simpson 1927
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Herpetairus arcuatus Marsh 1879