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 Polydesmidea Pocock, 1887
                       Superfamily Polydesmoidea Leach, 1815
                         Family Cryptodesmidae Karsch, 1880
                           1 Subfamily Cryptodesminae Karsch, 1880
                           2 Subfamily Otodesminae Cook, 1896
                           3 Subfamily Thelydesminae Cook, 1896
                           4 Subfamily Pterodesminae Cook, 1895