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
     Superkingdom Archezoa Cavalier-Smith, 1983 [monotypic] see Infrakingdom Archezoa Cavalier-Smith, 1983
       Kingdom Archezoa Cavalier-Smith, 1983 see Infrakingdom Archezoa Cavalier-Smith, 1983
         Phylum Microsporidia Balbiani, 1882 see Class Microsporidea Corliss & Levine, 1963
           Subphylum Rudimicrospora Cavalier-Smith, 1993
             Class Metchnikovellea Weiser, 1977 [monotypic] see Class Rudimicrosporea Sprague, 1977
               1 Order Metchnikovellida Vivier, 1975