Superclass Dictyochia Haeckel (1894)
Count: [c] 2c;3o;1f;4g;11s
   Class Actinochrysophyceae Caval.-Sm. (1995) see [unranked] Stramenopila
  Count: 3o;1f;4g;11s
     Subclass Silicophycidae Rothmaler (1951) see Class Dictyochophyceae Silva (1980)
    Count: -