eukaryotes see Domain Eukaryota Chatton, 1925 Kingdom Chromista Caval.-Sm. (1981) - chromists Subkingdom Haptophyta 1 Phylum Haptophyta Hibberd ex Caval.-Sm. (1986), nom. inval. see Phylum Haptophyta D.J. Hibberd ex Edvardsen & Eikrem (2000)