Phylum Heterokonta Caval.-Sm. (1986) see Superphylum Heterokonta Caval.-Sm. (1986) Subphylum Ochrista Caval.-Sm. (1986), orth. inval. see Phylum Ochrista Caval.-Sm. (1995) Infraphylum Raphidoista Caval.-Sm. (1986) Superclass Dictyochia Haeckel (1894) Class Actinochrysea Caval.-Sm. (1995) see Class Dictyochophyceae Silva (1980) Subclass Dictyochidae Haeckel (1894) see Class Dictyochophyceae Silva (1980) Order Rhizochromulinales O'Kelly & Wujek (1995) see Order Pedinellales Zimmermann et al. (1984) 1 Family Rhizochromulinaceae O'Kelly & Wujek (1994)