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 Metakaryota see Domain Eukaryota Chatton, 1925
       Kingdom Protozoa Goldfuss, 1818 - protozoa
         Subkingdom Dictyozoa Cavalier-Smith, 1991
           Branch Bikonta Cavalier-Smith, 1993
             Infrakingdom Neozoa Cavalier-Smith, 1993
               Parvkingdom Mesozoa van Beneden, 1876 [monotypic]
                 Phylum Mesozoa van Beneden, 1876 see [unranked] Mesozoa van Beneden, 1876
                   Class Orthonectea Giard, 1879 [monotypic]
                     Order Orthonectida Giard, 1879 see Phylum Orthonectida Giard, 1880