Phylum Annelida Lamarck, 1809 - segmented worms
   Class Polychaeta Grube, 1850 - polychaetes
     Order Terebellida Rouse & Fauchald, 1977
       1 Family Pectinariidae de Quatrefages, 1865
       2 Family Ampharetidae Malmgren, 1865
       3 Family Terebellidae Grube, 1850
       4 Family Trichobranchidae Malmgren, 1865 see Family Terebellidae Grube, 1850