Class [Mammalia] Linnaeus, 1758 - mammals
Count: [*] 21o;132f;1061g;4316s; ‡1f;5g;38s
   Order Rodentia Bowdich, 1821 - rodents
  Count: [*] 29f;399g;1788s; ‡1g;16s
     Family Echimyidae Gray, 1825 - spiny rats
    Count: [*] 14g;63s
       Genus Echimys Cuvier, 1809 - arboreal spiny rats
      Count: [*] 11s
         01 Echimys armatus (I. Geoffroy, 1838) see Makalata armata (I. Geoffroy, 1830)
        Count: -
         02 Echimys blainvillei (F. Cuvier, 1837) see Phyllomys blainvilii (Jourdan, 1837)
        Count: -
         03 Echimys braziliensis (Waterhouse, 1848)
        Count: -
         04 Echimys chrysurus (Zimmermann, 1780) - arboreal white-faced spiny rat
        Count: -
         05 Echimys dasythrix (Hensel, 1872) see Phyllomys dasythrix Hensel, 1872
        Count: -
         06 Echimys grandis (Wagner, 1845) see Toromys grandis (Wagner, 1845)
        Count: -
         07 Echimys macrurus (Wagner, 1842) see Makalata macrura (Wagner, 1842)
        Count: -
         08 Echimys nigrispinus (Wagner, 1842) see Phyllomys nigrispinus (Wagner, 1842)
        Count: -
         09 Echimys saturnus Thomas, 1928
        Count: -
         10 Echimys semivillosus (I. Geoffroy, 1838) see Pattonomys semivillosus (I. Geoffroy, 1838)
        Count: -
         11 Echimys unicolor (Wagner, 1842) see Phyllomys unicolor (Wagner, 1842)
        Count: -