Annelida Lamarck, 1809 - segmented worms
Count: 1o;66f;257g;267s; †3g;1s
   "polychaetes" see Class Polychaeta Grube, 1850
  Count: 66f;257g;267s; †3g;1s
     Scolecida G.W. Rouse & K. Fauchald, 1997 see Order Scolecida Rouse & Fauchald, 1997
    Count: [f] 8f;98g;89s; †2g
       Family Opheliidae Malmgren, 1867
      Count: 15g;13s
         Subfamily Ophelininae Hartmann-Schröder, 1971
        Count: 6g;4s
           1.1 Genus Antiobactrum Chamberlin, 1919
          Count: -
           1.2 Genus Ophelina Ørsted, 1843
          Count: 1s
           1.3 Genus Armandia de Filippi, 1862
          Count: 2s
           2.1 Genus Tachytrypane McIntosh, 1876
          Count: -
           2.2.1 Genus Polyophthalmus de Quatrefages, 1850
          Count: 1s
           2.2.2 Ophelina "abranchiate" Ørsted, 1843
          Count: -