Classification of Simpson 1936

G. †Plagioptychus Matthew 1936
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†Plagioptychus matthewi Simpson 1936
Fm. †Ptilodontidae Cope 1887
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G. †Kimbetohia Simpson 1936
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†Kimbetohia campi Simpson 1936
G. †Chriacus Cope 1883
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†Chriacus antiquus Simpson 1936
Fm. †Mioclaenidae Osborn and Earle 1895 [condylarth]
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G. †Tiznatzinia Simpson 1936
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†Tiznatzinia priscus Matthew 1937
†Tiznatzinia vanderhoofi Simpson 1936
G. †Protogonodon Scott 1892
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†Protogonodon grangeri Simpson 1936