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
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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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                     1 Superfamily Aplodontoidea Matthew, 1910, orth. inval. see Superfamily Aplodontioidea Brandt, 1855
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                     2 Superfamily Sciuroidea Batsch, 1788
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                     3 Superfamily Geomyoidea Bonaparte, 1845
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                     4 Superfamily Castoroidea Batsch, 1788
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                     5 Superfamily Ctenodactyloidea (Gervais, 1853) Simpson, 1945 see Family Ctenodactylidae Gervais, 1853
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                     6 Superfamily Anomaluroidea Gervais, 1849
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                     7 Superfamily Pedetoidea Gray, 1825
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