organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Eumetazoa Bütschli, 1910 - eumetazoans
       Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
         Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
           Spiralia Schleip, 1929 - spiralians see Superphylum Spiralia Schleip, 1929
             Teloblastica (C. Nielsen, 1995) see [unranked] Protostomia Grobben, 1908
               Articulata Cuvier see [unranked] Protostomia Grobben, 1908
                 Euarticulata see [unranked] Protostomia Grobben, 1908
                   Phylum Annelida Lamarck, 1809 - segmented worms
                     "Polychaeta" see Class Polychaeta Grube, 1850
                       Family Capitellidae Grube, 1862
                       Family [Chaetopteridae] Malmgren, 1867
                       Genus Dinophilus O. Schmidt, 1848
                       Order Eunicida Ushakov, 1955
                       Genus Exogone Ørsted, 1845
                       Genus Magelona F. Müller, 1858
                       Genus Neanthes Kinberg, 1866
                       Genus Nereis Linnaeus, 1758
                       Family Oweniidae Rioja, 1917
                       Genus Pectinaria Lamarck, 1818
                       Order Phyllodocida Dales, 1962
                       Genus Podarke Ehlers, 1864 see Genus Ophiodromus M. Sars, 1861
                       Genus Poeobius Heath, 1930
                       Genus Polygordius Schneider, 1868
                       Genus Pomatoceros Philippi, 1844
                       Genus Protodrilus Hatschek, 1880
                       Genus Psammodriloides Swedmark, 1958
                       Genus Scoloplos Blainville, 1828
                       Genus Serpula Linnaeus, 1758
                       Genus Travisia Johnston, 1840
                       1 ?Class Gnathostomulida Riedl, 1969 see Phylum Gnathostomulida Ax, 1956
                       2 Pogonophora Johansson, 1937 see Family Siboglinidae Caullery, 1914
                       3 Family Lobatocerebridae R.M. Rieger, 1980
                       4 Class Myzostomida see Order Myzostomida
                       5 Class Echiura