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)
         Genus Cyanomonas F. Oltmanns (1904)
           Cyanomonas americana (B.M. Davis, 1894) F. Oltmanns (1904)