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 Euglenozoa Cavalier-Smith, 1981 [monotypic]
               Phylum Euglenozoa Cavalier-Smith, 1981
                 Subphylum Euglenoida Bütschli, 1884
                   Class Aphagea Cavalier-Smith, 1993
                     Subclass Euglenia Cavalier-Smith, 1993
                       1 Order Astasida Ehrenberg, 1838
                       2 Order Eutreptiida Leedale, 1967