chromalveolates see Supergroup Chromalveolata Adl et al., 2005 Kingdom Chromista Caval.-Sm. (1981) - chromists Subkingdom Chromobiota Caval.-Sm. (1991) Infrakingdom Haptophyta Caval.-Sm. (1995) [monotypic] see Subphylum Haptophytina Caval.-Sm. (2015) Phylum Haptophyta D.J. Hibberd ex Edvardsen & Eikrem (2000) see Subphylum Haptophytina Caval.-Sm. (2015) Class Pavlovophyceae J.C. Green & Medlin (2000) Genus Pavlova R. Butcher (1952)