life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
       Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
         Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
           Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
             Spiralia Schleip, 1929 - spiralians see Superphylum Spiralia Schleip, 1929
               Trochozoa Beklemischev, 1944 - trochozoans
                 1 Phylum Annelida Lamarck, 1809 - segmented worms
                 2 Phylum Mollusca Linnaeus, 1758 - molluscs
                 3 Phylum Nemertea Schultze, 1851 - ribbon worms
                 4.1 Phylum Brachiopoda Duméril, 1806 - brachiopods
                 4.2 Phylum Phoronida Hatschek, 1888 - phoronids