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 Coelocheta see Superorder Helminthomorpha Pocock, 1887
                   Order Callipodida Pocock, 1894
                     Suborder Schizopetalidea Hoffman, 1973
                       Family Schizopetalidae Verhoeff, 1909
                         1 Genus Apfelbeckia Verhoeff, 1896
                         2 Genus Acanthopetalum Verhoeff, 1900
                         3 Genus Dischizopetalum Verhoeff, 1900
                         4 Genus Himatiopetalum Verhoeff, 1900
                         5 Subfamily Schizopetalinae Verhoeff, 1909
                         6 Subfamily Euxinopetalinae Hoffman, 1973
                         7 Subfamily Tynommatinae Hoffman, 1980
                         8 Subfamily Acanthopetalinae Hoffman & Lohmander, 1964