life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Empire Eukaryota (Chatton, 1925) see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Bilateria Hatschek, 1888 [paraphyletic?] - bilaterians
         Branch Protostomia Grobben, 1908 [paraphyletic?] - protostomes see Infrakingdom Protostomia Grobben, 1908
           Infrakingdom Platyzoa T. Cavalier-Smith, 1998 see [unranked] Platyzoa Ax, 1987
             Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
               Subphylum Turbellaria Ehrenberg, 1831 [paraphyletic]
                 1 Infraphylum Mucorhabda T. Cavalier-Smith, 1998 [paraphyletic?]
                 2 Infraphylum Rhabditophora (Ehlers, 1985) Cavalier-Smith, 1998 - rhabditophoran flatworms see Subphylum Rhabditophora Ehlers, 1985