life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukarya Chatton, 1925 see Domain Eukaryota Chatton, 1925
     Kingdom Protoctista Hogg, 1860
       Phylum Cryptomonada see Order Cryptomonadida Senn, 1900
         Genus Chilomonas Ehrenb. (1831)
         Genus Chroomonas A. Hansgirg (1885)
         Genus Copromonas C. Dobell (1908)
         Genus Cryptomonas Ehrenb. (1831)
         Genus Cyanomonas F. Oltmanns (1904)
         Genus Cyanophora O.A. Korshikov (1924)
         Genus Cyathomonas Fromentel (1874)
         Genus Hemiselmis M. Parke (1949)
         Genus Hillea J. Schiller (1925)
         Genus Nephroselmis F. Stein (1878)