Phylum Heterokonta Caval.-Sm. (1986) see Superphylum Heterokonta Caval.-Sm. (1986)
   Subphylum Ochrista Caval.-Sm. (1986), orth. inval. see Phylum Ochrista Caval.-Sm. (1995)
     1 Infraphylum Raphidoista Caval.-Sm. (1986)
     2 Infraphylum Chrysista Caval.-Sm. (1993)