eukaryotes see Domain Eukaryota Chatton, 1925
   Kingdom Chromista Caval.-Sm. (1981) - chromists
     Subkingdom Harosa Cavalier-Smith, 2010
       Infrakingdom Heterokonta Caval.-Sm. (1986) - heterokonts see Superphylum Heterokonta Caval.-Sm. (1986)
         1 Phylum Bigyra Cavalier-Smith, 1998