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 Euryzygomatomys Goeldi, 1901 - guiara
      Count: [*] 1s
         1 Euryzygomatomys spinosus (G. Fischer, 1814) - guiara
        Count: -