life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Empire Eukaryota (Chatton, 1925) see Domain Eukaryota Chatton, 1925
     Kingdom Chromista Caval.-Sm. (1981) - chromists
       Subkingdom Cryptista Caval.-Sm. (1986) [monotypic] see Phylum Cryptista Caval.-Sm. (1990), orth. inval.
         Phylum Cryptophyta Caval.-Sm. (1986) - cryptomonads see Superclass Cryptomonada Cavalier-Smith, 2004
           1 Genus Cryptomonas Ehrenb. (1831)
           2 Genus Goniomonas F. Stein (1878)