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
                      
 1 Family Schizopetalidae Verhoeff, 1909
                      
 2 Family Dorypetalidae Verhoeff, 1900
                      
 3 Family Caspiopetalidae Lohmander, 1931