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 Pedinellea Caval.-Sm. (1986), orth. inval.] see Subclass Pedinellidae Caval.-Sm. (1986)