Kingdom [Animalia] Linnaeus, 1758 - animals
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   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
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     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
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       Subdivision Bilateralia
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         Phylum Chordata Bateson, 1885 - chordates
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           Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
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             Class Mammalia Linnaeus, 1758 - mammals
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               Subclass Eutheria Gill, 1872 see Infraclass Eutheria Gill, 1872
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                 Order Rodentia Bowdich, 1821 - rodents
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                   Suborder Sciuromorpha Brandt, 1855
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                     Superfamily Sciuroidea Batsch, 1788
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                       Family Sciuridae Batsch, 1788 - squirrels, chipmunks, marmots, and prairie dogs
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                         Subfamily Sciurinae Batsch, 1788 - tree and ground squirrels
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                           Tribe Xerini Murray, 1866
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                             Genus Spermophilopsis Blasius, 1884 - long-clawed ground squirrel
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                               Spermophilopsis leptodactylus (Lichtenstein, 1823) - long-clawed ground squirrel
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