Phylum Annelida Lamarck, 1809 - segmented worms
   Class Polychaeta Grube, 1850 - polychaetes
     Order Capitellida Fauchald, 1977 see Order Scolecida Rouse & Fauchald, 1997
       Family Maldanidae Malmgren, 1867 - bamboo worms
         1 Subfamily Clymenurinae Imajima & Shiraki, 1982
         2 Subfamily Euclymeninae Arwidsson, 1907
         3 Subfamily Lumbriclymeninae Arwidsson, 1907
         4 Subfamily Maldaninae (Malmgren, 1867) Arwidsson, 1907
         5 Subfamily Nicomachinae Arwidsson, 1907
         6 Subfamily Rhodininae Arwidsson, 1907