Annelida Lamarck, 1809 - segmented worms
   "polychaetes" see Class Polychaeta Grube, 1850
     Palpata G.W. Rouse & K. Fauchald, 1997
       Aciculata G.W. Rouse & K. Fauchald, 1997
         Eunicida see Order Eunicida Ushakov, 1955
           Family Histriobdellidae Vaillant, 1890
           1.1.1 Family Hartmaniellidae M. Imajima, 1977
           1.1.2.1 Family Eunicidae Savigny, 1818
           1.1.2.2 Family Onuphidae Kinberg, 1865
           1.2.1 Family Lumbrineridae Schmarda, 1865
           1.2.2 Family Oenonidae Kinberg, 1865
           2 Family Dorvilleidae Chamberlin, 1919