eukaryotes see Domain Eukaryota Chatton, 1925
   Kingdom Chromista Caval.-Sm. (1981) - chromists
     Subkingdom Heterokonta Caval.-Sm. (1986)
       Phylum Sagenista Caval.-Sm. (1995) see Subphylum Sagenista Cavalier-Smith, 1995
         1 Class Bicoecea Caval.-Sm. (1986) see Class Bicosoecophyceae Loeblich III & Loeblich (1979), nom. nud.
         2 Class Labyrinthulea L.S. Olive ex Caval.-Sm. (1986), orth. inval. see Class Labyrinthulea Olive ex Cavalier-Smith, 1986