Kingdom Protoctista Hogg, 1860 Phylum Chlorophyta Pascher (1914) - green algae Class Chlorophyceae Wille (1884) - chlorophytes Order Chlamydomonadales F.E. Fritsch Family Haematococcaceae G.M. Sm. (1950) see Family Stephanosphaeraceae Korshikov (1938) 1 Genus Haematococcus J. von Flot. (1844) 2 Genus Stephanosphaera Cohn (1852)