Natura - nature
  
 actualia - actual entities
    
 Mundus Plinius - physical world
      
 naturalia - natural bodies
        
 Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
          
 Clade neomura Cavalier-Smith, 1987
            
 Domain Eukaryota Chatton, 1925 - eukaryotes
              
 Clade discaria Cavalier-Smith, 2021
                
 Clade dorsates Cavalier-Smith, 2021
                  
 Clade podiates Cavalier-Smith, 2012
                    
 Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                      
 Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                        
 Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                          
 Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                            
 Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                              
 Kingdom Animalia Linnaeus, 1758 - animals
                                
 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                  
 Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                    
 Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                      
 Infrakingdom Protostomia Grobben, 1908
                                        
 Superphylum Spiralia Schleip, 1929
                                          
 Clade Platytrochozoa Struck, Wey-Fabrizius, Golombek, Hering, Weigert, Bleidorn, Klebow, Iakovenko, Hausdorf, Petersen, Kück, Herlyn & Hankeln 2014
                                            
 Clade Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake 1995 - lophotrochozoans
                                              
 Clade Trochozoa Beklemischev, 1944 - trochozoans
                                                
 Phylum Annelida Lamarck, 1809 - segmented worms
                                                  
 Class Polychaeta Grube, 1850 - polychaetes
                                                    
 Palpata G.W. Rouse & K. Fauchald, 1997
                                                      
 Aciculata G.W. Rouse & K. Fauchald, 1997
                                                        
 Order Phyllodocida Dales, 1962
                                                          
 Suborder Phyllodociformia
                                                            
 Family Phyllodocidaeᵀ Ørsted, 1843
                                                              
 Subfamily Eteoninae Bergström, 1914
                                                                
 Genus Eteoneᵀ Savigny, 1820
                                                                  
 Subgenus Eteone (Eteone)ᵀ Savigny, 1820
                                                                  
 Eteone alba Webster, 1879
                                                                  
 Eteone andreapolis McIntosh, 1874
                                                                  
 Eteone arctica Malmgren, 1867
                                                                  
 Eteone armata Claparède, 1868
                                                                  
 Eteone balboensis Hartman, 1936
                                                                  
 Eteone caeca Ehlers, 1874
                                                                  
 Eteone californica Hartman, 1936
                                                                  
 Eteone depressa Malmgren, 1865
                                                                  
 Eteone dilatae Hartman, 1936
                                                                  
 Eteone fauchaldi Kravitz & Jones, 1979
                                                                  
 Eteone flavaᵀ (Fabricius, 1780)
                                                                  
 Eteone foliosa Quatrefages, 1866
                                                                  
 Eteone fucata Sars, 1872
                                                                  
 Eteone heteropoda Hartman
                                                                  
 Eteone incisa Saint-Joseph, 1888
                                                                  
 Eteone lighti Hartman, 1936
                                                                  
 Eteone lilljeborgi Malmgren, 1867
                                                                  
 Eteone longa (Fabricius, 1780)
                                                                  
 Eteone maculata Örsted, 1843
                                                                  
 Eteone pacifica Hartman, 1936
                                                                  
 Eteone pusilla Örsted, 1843
                                                                  
 Eteone sarsii Örsted, 1843
                                                                  
 Eteone siphodonta (Delle Chiaje, 1822)
                                                                  
 Eteone spetsbergensis Malmgren, 1865
                                                                  
 Eteone spilotus Kravitz & Jones, 1979
                                                                  
 Eteone striata Levinsen, 1883
                                                                  
 Eteone suecica Bergström, 1914
                                                                  
 Eteone tetraophthalma Schmarda, 1861
                                                                  
 Eteone trilineata Webster & Benedict, 1887
                                                                  
 Eteone tuberculata Treadwell, 1922
                                                                  
 Eteone villosa Levinsen, 1883
                                                                  
 Subgenus Eteone (Hypereteone) Bergström, 1914
                                                                  
 Subgenus Eteone (Mysta) Malmgren, 1865