life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Empire Eukaryota (Chatton, 1925) see Domain Eukaryota Chatton, 1925
     Superkingdom Metakaryota see Domain Eukaryota Chatton, 1925
       Kingdom Chromista Caval.-Sm. (1981) - chromists
         Subkingdom Euchromista Cavalier-Sm. (1993) see [unranked] Stramenopila
           Infrakingdom Chromobiota Caval.-Sm. (1986)
             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 Raphidoista Caval.-Sm. (1986)
                   Superclass Dictyochia Haeckel (1894)
                     1 Class Pedinellea Caval.-Sm. (1986), orth. inval. see Subclass Pedinellidae Caval.-Sm. (1986)
                     2 Class Silicoflagellatea Borgert (1891) see Class Dictyochophyceae Silva (1980)
                     3 Class Oikomonadea Cavalier-Sm. (1993) see Class Chrysophyceae Fritsch (1927)
                     4 Class Pelagophycea Andersen & Saunders, 1993, nom. emend. see Class Pelagophyceae R.A. Andersen & G.W.Saunders (1993)