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 Merocheta Cook, 1895 see Order Polydesmida Leach, 1815
                   Order Polydesmida Leach, 1815
                     Suborder Chelodesmidea Cook, 1895
                       Superfamily Sphaeriodesmoidea Humbert & De Saussure, 1869
                         1 Family Sphaeriodesmidae Humbert & De Saussure, 1869
                         2 Family Holistophallidae Silvestri, 1909
                         3 Family Campodesmidae Cook, 1896