Phylum Annelida Lamarck, 1809 - segmented worms
   Class Polychaeta Grube, 1850 - polychaetes
     Order Sabellida Fauchald, 1977
       Family Serpulidae Savigny, 1818
         Subfamily Serpulinae (Savigny, 1818) Rioja, 1923
           1 Genus Ditrupa Berkeley, 1832-1834[1835]
           2 Genus Hydroides Gunnerus, 1768
           3 Genus Serpula Linnaeus, 1758