Classification of Douglass 1908

G. †Altippus Douglass 1908
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G. †Megopterna Douglass 1908
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†Megopterna minuta Douglass 1908
G. †Ptilodus Cope 1881
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†Ptilodus montanus Douglass 1908
Fm. †Pantolestidae Cope 1884
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G. †Coriphagus Douglass 1908
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†Coriphagus montanus Douglass 1908
Fm. †Picrodontidae Simpson 1937
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G. †Picrodus Douglass 1908
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†Picrodus silberlingi Douglass 1908