eukaryotes see Domain Eukaryota Chatton, 1925
   Kingdom Chromista Caval.-Sm. (1981) - chromists
     Subkingdom Heterokonta Caval.-Sm. (1986)
       Phylum Ochrista Caval.-Sm. (1995) see Phylum Ochrophyta Caval.-Sm. (1995)
         Class Actinochrysea Caval.-Sm. (1995) see Class Dictyochophyceae Silva (1980)
           Order Silicoflagellales Borgert (1891) see Order Dictyochales Haeckel (1894)