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 Eunicida Ushakov, 1955
                                                          
 Superfamily Eunicoideaᵀ
                                                            
 Family Eunicidaeᵀ Savigny, 1818
                                                              
 Genus Marphysa de Quatrefages, 1865
                                                                
 Marphysa aransensis Treadwell, 1939
                                                                
 Marphysa belli Audouin & Milne-Edwards, 1833
                                                                
 Marphysa bifurcata Kott, 1951
                                                                
 Marphysa brevitentaculata Treadwell, 1921
                                                                
 Marphysa capensis (Schmarda, 1861)
                                                                
 Marphysa conferta Moore, 1911
                                                                
 Marphysa corallina Kinberg, 1865
                                                                
 Marphysa depressa (Schmarda, 1861)
                                                                
 Marphysa disjuncta Hartman, 1961
                                                                
 Marphysa fallax Marion & Bobretzky, 1875
                                                                
 Marphysa macintoshi Crossland, 1903
                                                                
 Marphysa mortenseni Monro, 1928
                                                                
 Marphysa nobilis Treadwell, 1917
                                                                
 Marphysa posteriobranchia Day, 1962
                                                                
 Marphysa regalis Verrill, 1900
                                                                
 Marphysa sanguinea (Montagu, 1815)
                                                                
 Marphysa stylobranchiata Moore, 1909