Phylum Annelida Lamarck, 1809 - segmented worms
   Class Polychaeta Grube, 1850 - polychaetes
     Order Phyllodocida Dales, 1962
       Superfamily Nereidoidea see Suborder Nereidiformia
         Family Syllidae Grube, 1850
           1 Subfamily Syllinae (Grube, 1850) Rioja, 1925
           2 Subfamily Eusyllinae Rioja, 1925
           3 Subfamily Exogoninae Rioja, 1925
           4 Subfamily Eurysyllinae Hartman, 1965
           5 Subfamily Autolytinae Langerhans, 1879