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 Adictyozoa Cavalier-Smith, 1993 [monotypic]
           Phylum Percolozoa Cavalier-Smith, 1992
             Subphylum Pseudociliata Cavalier-Smith, 1993 [monotypic] see Order Pseudociliatida Corliss & Lipscomb, 1982
               Class Pseudociliatea Cavalier-Smith, 1981 [monotypic]
                 Order Pseudociliatida Corliss & Lipscomb, 1982 [monotypic]
                   1 Family Stephanopogonidae Corliss, 1961