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
               Superfamily Nephtyidacea see Superfamily Nephtyoidea
                 Family Nephtyidae Grube, 1850
                   1 Genus Nephthys Cuvier see Genus Nephtys Cuvier, 1817
                   1 Genus Nephtys Cuvier, 1817 - red-lined worm
                   2 Genus Aglaophamus Kinberg, 1865
                   3 Genus Micronephthys
                   4 Genus Inermonephtys Fauchald, 1978