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 Protozoa Goldfuss, 1818 [paraphyletic] - protozoa
       Subkingdom Archezoa Cavalier-Smith, 1983 [paraphyletic] see Infrakingdom Archezoa Cavalier-Smith, 1983
         1 Phylum Metamonada Grassé, 1952
         2 Phylum Trichozoa Cavalier-Smith, 1997 see Subphylum Trichozoa Cavalier-Smith, 1997