Kingdom Protoctista Hogg, 1860 Phylum Cryptophyta Caval.-Sm. (1986) - cryptomonads see Superclass Cryptomonada Cavalier-Smith, 2004 Class Cryptophyceae F.E. Fritsch (1927) Order Cryptomonadales Pascher (1913) Family Hemiselmidaceae Butcher (1967) Genus Hemiselmis M. Parke (1949) 1 Hemiselmis virescens M.R. Droop (1955)