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
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Chromista Caval.-Sm. (1981) - chromists
                           Subkingdom Harosa Cavalier-Smith, 2010
                             [halvaria Cavalier-Smith, 2010] see Infrakingdom Halvaria Cavalier-Smith, 2010
                               [Infrakingdom Heterokonta Caval.-Sm. (1986) - heterokonts] see Superphylum Heterokonta Caval.-Sm. (1986)
                                 [Superphylum Gyrista Caval.-Sm. (1998)]
                                   [Phylum Bigyra Caval.-Sm. (1998)] see Phylum Bigyra Cavalier-Smith, 1998
                                     [Subphylum Opalinata Earl (1971)] see Superclass Opalinata Wenyon, 1926
                                       [Class Blastocystea Zierdt (1978) [monotypic]] see Class Blastocystea Zierdt, 1978
                                         1.1 Genus Blastocystisᵀ Alexeev (1911)