living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryotae see Domain Eukaryota Chatton, 1925
     Animalia Linnaeus, 1758 - animals
       Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Chordata Bateson, 1885 - chordates
           Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
             Mammalia Linnaeus, 1758 - mammals
               Theria Parker & Haswell, 1897
                 Eutheria Gill, 1872
                   Rodentia Bowdich, 1821 - rodents
                     Hystricomorpha Brandt, 1855
                       Octodontoidea Waterhouse, 1839
                         Echimyidae Gray, 1825 - spiny rats
                           Euryzygomatomys Goeldi, 1901 - guiara