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 Rhizochromulinales O'Kelly & Wujek (1995) see Order Pedinellales Zimmermann et al. (1984)