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
         Phyllodocida see Order Phyllodocida Dales, 1962
           Nereidiformia see Suborder Nereidiformia
             Family Hesionidae Grube, 1850
               Genus [Ophiodromus] M. Sars, 1861
                 Ophiodromus pugettensis (Johnson, 1901)