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
           1 Infrakingdom Lophozoa T. Cavalier-Smith, 1998 [paraphyletic?] see Infrakingdom Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake, 1995
           2 Infrakingdom Chaetognathi (Leuckart, 1854) Cavalier-Smith, 1998 [monotypic] see Infrakingdom Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake, 1997
           3 Infrakingdom Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake, 1997 - ecdysozoans see Superphylum Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake, 1997
           4 Infrakingdom Platyzoa T. Cavalier-Smith, 1998 see [unranked] Platyzoa Ax, 1987