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 Pelagophycea Andersen & Saunders, 1993, nom. emend. see Class Pelagophyceae R.A. Andersen & G.W.Saunders (1993) Order Pelagomonadales Andersen & Saunders (1993) 1 Family Pelagomonadaceae R.A. Andersen & G.W.Saunders, in Andersen et al. (1993)