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 Pinguiophyceae Kawachi, Inouye, Honda, O'Kelly, Bailey, Bidigare & Andersen (2002) Genus Pinguiochrysis M. Kawachi (2002)