Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Superphylum Articulata Cuvier see Supraphylum Articulata Cuvier
           Phylum Annelida Lamarck, 1809 - segmented worms
             Class Polychaeta Grube, 1850 - polychaetes
               Order Polychaeta Sedentaria
                 Suborder Serpulimorpha
                   Family Serpulidae Savigny, 1818
                     Genus Protula Risso, 1826
                     Genus Serpula Linnaeus, 1758
                     Genus Spirorbis Daudin, 1800