living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Mammalia Linnaeus, 1758 - mammals
               Subclass Theria Parker & Haswell, 1897
                 Infraclass Eutheria Gill, 1872
                   Order Rodentia Bowdich, 1821 - rodents
                     Suborder Sciuromorpha Brandt, 1855
                       Family Heteromyidae Gray, 1868 - pocket mice, kangaroo rats, and kangaroo mice
                         1 Genus Heteromys Desmarest, 1817 - forest spiny pocket mice
                         2 Genus Liomys Merriam, 1902 - spiny pocket mice
                         3 Genus Perognathus Wied-Neuwied, 1839 - silky pocket mice
                         4 Genus Dipodomys Gray, 1841 - kangaroo-rats
                         5 Genus Microdipodops Merriam, 1891 - kangaroo-mice