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 Eunicida Ushakov, 1955
               Superfamily Eunicacea see Superfamily Eunicoidea
                 1 Family Onuphidae Kinberg, 1865
                 2 Family Eunicidae Savigny, 1818
                 3 Family Hartmaniellidae M. Imajima, 1977
                 4 Family Lumbrineridae Schmarda, 1865
                 5 Family Iphitimidae K. Fauchald, 1970 see Family Dorvilleidae Chamberlin, 1919
                 6 Family Arabellidae Hartman, 1944 see Family Oenonidae Kinberg, 1865
                 7 Family Lysaretidae
                 8 Family Dorvilleidae Chamberlin, 1919