Annelida Lamarck, 1809 - segmented worms
   "polychaetes" see Class Polychaeta Grube, 1850
     Scolecida G.W. Rouse & K. Fauchald, 1997 see Order Scolecida Rouse & Fauchald, 1997
       Family Capitellidae Grube, 1862
         01 Genus Capitella de Blainville, 1828
         02 Genus Baldia Garwood & Bamber, 1988
         03 Genus Dasybranchus Grube, 1850
         04 Genus Mediomastus Hartman, 1944
         05 Genus Mastobranchus Eisig, 1887
         06 Genus Scyphoproctus Gravier, 1904
         07 Genus Amastigos Piltz, 1977
         08 Genus Notomastus Sars, 1851
         09 Genus Pulliella Fauvel, 1929
         10 Genus Capitellides
         11 Genus Capitomastus Eisig, 1887
         12 Genus Peresiella