chromalveolates see Supergroup Chromalveolata Adl et al., 2005 Kingdom Chromista Caval.-Sm. (1981) - chromists Subkingdom Chromobiota Caval.-Sm. (1991) Infrakingdom Heterokonta Caval.-Sm. (1986) - heterokonts see Superphylum Heterokonta Caval.-Sm. (1986) Phylum Ochrophyta Caval.-Sm. (1995) Subphylum Phaeista Caval.-Sm. (1995) Infraphylum Hypogyrista Caval.-Sm. (1995) see Superclass Hypogyristia Caval.-Sm. (2006) Class Pelagophyceae R.A. Andersen & G.W.Saunders (1993) see Class Dictyochophyceae Silva (1980) Genus Pelagomonas R.A. Andersen & G.W.Saunders (1993)