Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade Discoba Simpson 2009
                       Superphylum Discicristata Cavalier-Smith, 1998 [coordinate rank]
                         Phylum Euglenozoa Cavalier-Smith, 1981
                           [Subphylum Plicostoma Patterson, 1988 ex T. Cavalier-Smith, 1998] see Phylum Euglenozoa Cavalier-Smith, 1981
                             Class Euglenoidea Bütschli, 1884
                               Order Euglenidaᵀ Bütschli, 1884 - euglenids
                                 Suborder Eugleninaᵀ Bütschli, 1884
                                   [Genus Klebsiella Pascher, 1931] see Genus Klebsina Silva, 1961