Phylum Annelida Lamarck, 1809 - segmented worms
   Class Polychaeta Grube, 1850 - polychaetes
     Order Phyllodocida Dales, 1962
       Superfamily Nereidoidea see Suborder Nereidiformia
         Family Syllidae Grube, 1850
           Subfamily Exogoninae Rioja, 1925
             Genus Exogone Ørsted, 1845
               Subgenus Exogone Ørsted, 1845 see Genus Exogone Ørsted, 1845
               Subgenus Parexogone Mesnil & Caullery, 1918 see Genus Parexogone Mesnil & Caullery, 1918