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 Acanthognatha T. Cavalier-Smith, 1998
               Subphylum Trochata T. Cavalier-Smith, 1998
                 Infraphylum Rotifera Cuvier, 1798 [paraphyletic?] see Phylum Rotifera Cuvier, 1798
                   Class Bdelloidea Hudson, 1884