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
                             [crown] Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                               Infrakingdom Halvaria Cavalier-Smith, 2010
                                 Superphylum Heterokonta Caval.-Sm. (1986)
                                   Phylum Ochrophyta Caval.-Sm. (1995)
                                     Subphylum Phaeista Caval.-Sm. (1995)
                                       [Infraphylum Hypogyrista Caval.-Sm. (1995)] see Superclass Hypogyristia Caval.-Sm. (2006)
                                         [Superclass Dictyochia Haeckel (1894)]
                                           0 [Class Oikomonadea Cavalier-Sm. (1993)] see Class Chrysophyceae Fritsch (1927)
                                           1.0 [Class Pelagophycea Andersen & Saunders, 1993, nom. emend.] see Class Pelagophyceae R.A. Andersen & G.W.Saunders (1993)
                                           2 [Class Actinochrysophyceae Caval.-Sm. (1995)] see [unranked] Stramenopila
                                           2.1 [Class "Pedinellea" Caval.-Sm. (1986), orth. inval.] see Subclass Pedinellidae Caval.-Sm. (1986)
                                           2.2 [Class Silicoflagellatea Borgert (1891)] see Class Dictyochophyceae Silva (1980)