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 Annelida Lamarck, 1809 - segmented worms
          
 Class Polychaeta Grube, 1850 - polychaetes
            
 Order Phyllodocida Dales, 1962
              
 01 Superfamily Phyllodocidacea
              
 02 Family Iospilidae Bergström, 1914
              
 03 Family Tomopteridae Johnston, 1865
              
 04 Family Typhloscolecidae Uljanin, 1878
              
 05 Superfamily Glyceracea Grube, 1850
              
 06 Family Sphaerodoridae Malmgren, 1867
              
 07 Superfamily Nereididacea
 see Suborder Nereidiformia
              
 08 Superfamily Nephtyidacea
 see Superfamily Nephtyoidea
              
 09 Superfamily Aphroditacea Malmgren, 1867
 see Superfamily Aphroditoidea Malmgren, 1867
              
 10 Family Chrysopetalidae E. Ehlers, 1864
              
 11 Family Pisionidae Ehlers, 1901