Phylum Heterokonta Caval.-Sm. (1986) see Superphylum Heterokonta Caval.-Sm. (1986)
Count: -
   Subphylum Ochrista Caval.-Sm. (1986), orth. inval. see Phylum Ochrista Caval.-Sm. (1995)
  Count: -
     Infraphylum Raphidoista Caval.-Sm. (1986)
    Count: -
       Superclass Dictyochia Haeckel (1894)
      Count: [f] 2c;5o;7f;7g;3s
         Class Actinochrysea Caval.-Sm. (1995) see Class Dictyochophyceae Silva (1980)
        Count: [f] 4o;6f;6g;2s
           Subclass Dictyochidae Haeckel (1894) see Class Dictyochophyceae Silva (1980)
          Count: [f] 2o;2f
             1 Order Silicoflagellales Borgert (1891) see Order Dictyochales Haeckel (1894)
            Count: [f] 1f
             2 Order Rhizochromulinales O'Kelly & Wujek (1995) see Order Pedinellales Zimmermann et al. (1984)
            Count: [f] 1f