Eumetazoa Bütschli, 1910 - eumetazoans
   [unranked] Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
     Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
       Grade Eucoelomates
         1 Phylum Mollusca Linnaeus, 1758 - molluscs
         2 Phylum Annelida Lamarck, 1809 - segmented worms
         3 Phylum Arthropoda Siebold, 1848 - arthropods
         4 Phylum Echiurida see Phylum Echiura Sedgwick, 1898
         5 Phylum Sipuncula Rafinesque, 1814 - peanut worms see Class Sipuncula
         6 Phylum Tardigrada Doyère, 1840 - tardigrades
         7 Phylum Pentastomida (Diesing, 1836) - pentastomids see Subclass Pentastomida Diesing, 1836
         8 Phylum Onychophora Grube, 1853 - velvet worms
         9 Phylum Pogonophora Johansson, 1937 - beard worms see Family Siboglinidae Caullery, 1914