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 eucorta Cavalier-Smith, 2021
                       Phylum Hemimastigophora Foissner, Blatterer & Foissner, 1988 [coordinate rank] [monotypic]
                         Class Hemimastigeaᵀ Foissner, Blatterer & Foissner, 1988 [monotypic]
                           Order Hemimastigidaᵀ Foissner, Blatterer & Foissner, 1988
                             Family Spironemidae Doflein, 1916
                               Genus Hemimastix Foissner, Blatterer & Foissner, 1988