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 Onuphidae Kinberg, 1865
                                                              
 Subfamily Hyalinoecinae Paxton, 1976
                                                                
 Genus Nothria Malmgren, 1866
                                                                  
 Nothria abyssalis Fauchald, 1968
                                                                  
 Nothria atlantisa Hartman, 1965
                                                                  
 Nothria britannica (McIntosh, 1903)
                                                                  
 Nothria cirrata Hartman, 1944
                                                                  
 Nothria conchylega Audouin & Milne-Edwards, 1833
                                                                  
 Nothria elegans (Johnson, 1901)
                                                                  
 Nothria farallonensis
                                                                  
 Nothria geophiliformis (Moore, 1903)
                                                                  
 Nothria gorgonensis (Monro, 1933)
                                                                  
 Nothria guadalupensis Fauchald, 1968
                                                                  
 Nothria hawaiiensis Pettibone, 1970
                                                                  
 Nothria iridescens (Johnson, 1901)
                                                                  
 Nothria lepta Chamberlin, 1919
                                                                  
 Nothria mexicana Fauchald, 1968
                                                                  
 Nothria occidentalis Fauchald, 1968
                                                                  
 Nothria pallida Moore, 1911
                                                                  
 Nothria pygidialis Fauchald, 1968
                                                                  
 Nothria similis Fauchald, 1968
                                                                  
 Nothria stigmatis (Treadwell, 1922)
                                                                  
 Nothria textor Hartman & Fauchald, 1971