Classification of Douglass 1903
Cl. Reptilia Laurenti 1768 [reptile]
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G. †Mesocyon Scott 1890
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†Mesocyon coryphaeus Cope 1879
†Mesocyon drummondanus Douglass 1903
G. †Mylagaulus Cope 1878
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†Mylagaulus pristinus Douglass 1903
†Mylagaulus proximus Douglass 1903
Fm. Sciuridae Gray 1821 [squirrel]
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G. †Palaearctomys Douglass 1903
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†Palaearctomys macrorhinus Douglass 1903
†Palaearctomys montanus Douglass 1903
Fm. Tayassuidae Palmer 1897 [peccary]
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Fm. †Protoceratidae Marsh 1891 [protoceratid]
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G. †Oreodon Leidy 1851
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