living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Status: extant
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
  Status: extant
     Kingdom Animalia Linnaeus, 1758 - animals
    Status: extant
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
      Status: extant
         Phylum Chordata Bateson, 1885 - chordates
        Status: extant
           Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
          Status: extant
             Class Mammalia Linnaeus, 1758 - mammals
            Status: extant
               Subclass Theria Parker & Haswell, 1897
              Status: extant
                 Infraclass Eutheria Gill, 1872
                Status: extant
                   Order Rodentia Bowdich, 1821 - rodents
                  Status: extant
                     Suborder Sciuromorpha Brandt, 1855
                    Status: extant
                       Family Sciuridae Batsch, 1788 - squirrels, chipmunks, marmots, and prairie dogs
                      Status: extant
                         Subfamily Petauristinae Miller, 1912 see Subfamily Pteromyinae Brandt, 1855
                        Status: extant
                           Genus Glaucomys Thomas, 1908 - American flying squirrels
                          Status: extant