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 Arthropoda Siebold, 1848 - arthropods
           Subphylum Uniramia Snodgrass, 1935 see Phylum Arthropoda Siebold, 1848
             Class Diplopoda Blainville, 1844 - millipedes
               Subclass Helminthomorpha 1958 see Superorder Helminthomorpha Pocock, 1887
                 Superorder Anocheta see Order Spirobolida Cook, 1895
                   Order Spirobolida Cook, 1895
                     Suborder Spirobolidea Cook, 1895
                       Family Spirobolidae Bollman, 1893
                         Subfamily Spirobolinae Bollman, 1893
                           1 Genus Spirobolus Brandt, 1833
                           2 Genus Narceus Rafinesque, 1820
                           3 Genus Aztecolus Chamberlin, 1943
                           4 Genus Chicobolus Chamberlin, 1947