Biota see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: -
   Domain Eukarya Chatton, 1925 see Domain Eukaryota Chatton, 1925
  Count: -
     Supergroup Unikonta see [unranked] Unikonta
    Count: -
       Opisthokonta Cavalier-Smith 1987, nom. cl. inval. see Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020]
      Count: -
         Holozoa Lang, O'Kelly, Nerad, Gray & Burger 2002 [Adl et al. 2012] see Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
        Count: -
           Animalia Linnaeus, 1758 see Kingdom Animalia Linnaeus, 1758
          Count: [p] 33p
             Eumetazoa Bütschli, 1910 - eumetazoans
            Count: [p] 32p
               Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
              Count: [p] 28p
                 Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
                Count: [p] 22p
                   Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake 1995 - lophotrochozoans
                  Count: [p] 13p
                     Spiralia Schleip, 1929 - spiralians see Superphylum Spiralia Schleip, 1929
                    Count: [p] 8p
                       Trochozoa Beklemischev, 1944 - trochozoans
                      Count: [c] 2p;15c
                         Phylum Annelida Lamarck, 1809 - segmented worms
                        Count: [c] 7c
                           1 Class Polychaeta Grube, 1850 - polychaetes
                          Count: -
                           2 Class Aphanoneura
                          Count: -
                           3 Class Echiura
                          Count: -
                           4 Class Sipuncula
                          Count: -
                           5 Clitellata auct. see Class Clitellata Michaelsen, 1919
                          Count: [c] 3c