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 Caviomorpha Wood & Patterson, 1955 see Parvorder Caviomorpha Wood & Patterson, 1955
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                     Superfamily Octodontoidea Waterhouse, 1839
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                       Family Echimyidae Gray, 1825 - spiny rats
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                         Subfamily Echimyinae Gray, 1825
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                           0.1.0 Genus Cercomys Cuvier, 1829 see Genus Thrichomys Trouessart, 1881
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                           0.2.0 Genus Proëchimys see Genus Proechimys Allen, 1899
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                           0.3 Genus Euryzygomatomys Goeldi, 1901 - guiara
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                           0.4 Genus Carterodon Waterhouse, 1848
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                           0.5 Genus Clyomys Thomas, 1916
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                           0.6.0 Genus Lonchotrix see Genus Lonchothrix Thomas, 1920
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                           0.7 Genus Hoplomys Allen, 1908 - armored rat
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                           0.8 Genus Mesomys Wagner, 1845
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                           1 Genus Echimys Cuvier, 1809 - arboreal spiny rats
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                           2 Genus Isothrix Wagner, 1845 - toros
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                           3 Genus Diplomys Thomas, 1916
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