Classification of Matthew 1903

G. †Peratherium Aymard 1850
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Peratherium titanelix Matthew 1903
G. †Apternodus Matthew 1903
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Apternodus mediaevus Matthew 1903
Subor. †Zalambdodonta
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G. †Micropternodus Matthew 1903
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Micropternodus borealis Matthew 1903
G. †Cynodictis Bravard and Pomel 1850
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Cynodictis paterculus Matthew 1903
G. †Ischyromys Leidy 1856
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Ischyromys veterior Matthew 1903
G. Sciurus Linnaeus 1758 [squirrel]
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Subg. †Sciurus (Prosciurus) Matthew 1903
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G. †Palaeolagus Leidy 1856
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Palaeolagus brachyodon Matthew 1903
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Invalid names: Palaeolagus turgidus Cope 1873 [synonym]
Palaeolagus temnodon Douglass 1902
G. †Stibarus Cope 1873
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Stibarus montanus Matthew 1903
Stibarus quadricuspis Hatcher 1901
G. †Leptotragulus Scott and Osborn 1887
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Leptotragulus profectus Matthew 1903
G. †Bunaelurus Cope 1873
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Bunaelurus infelix Matthew 1903
G. †Gymnoptychus Cope 1873
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Gymnoptychus minor Douglass 1902
G. †Ictops Leidy 1868
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Ictops thomsoni Matthew 1903
Ischyromys typus Leidy 1856
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Invalid names: Colotaxis cristatus Cope 1873 [synonym]
G. †Pseudopterodon Schlosser 1887
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Pseudopterodon minutus Douglass 1902