Annelida Lamarck, 1809 - segmented worms
   "polychaetes" see Class Polychaeta Grube, 1850
     Scolecida G.W. Rouse & K. Fauchald, 1997 see Order Scolecida Rouse & Fauchald, 1997
       Family Opheliidae Malmgren, 1867
         Subfamily Ophelininae Hartmann-Schröder, 1971
           1.1 Genus Antiobactrum Chamberlin, 1919
           1.2 Genus Ophelina Ørsted, 1843
           1.3 Genus Armandia de Filippi, 1862
           2.1 Genus Tachytrypane McIntosh, 1876
           2.2.1 Genus Polyophthalmus de Quatrefages, 1850
           2.2.2 Ophelina "abranchiate" Ørsted, 1843