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 Euchromista Cavalier-Sm. (1993)] see [unranked] Stramenopila
                             [Phylum Heterokonta Caval.-Sm. (1986)] see Superphylum Heterokonta Caval.-Sm. (1986)
                               [Subphylum "Ochrista" Caval.-Sm. (1986), orth. inval.] see Phylum Ochrista Caval.-Sm. (1995)
                                 [Infraphylum Eustigmista Cavalier-Smith, 1993]
                                   1 [Class Eustigmatophyceaᵀ Hibberd & Leedale, 1971]