Class Cyanoprokaryota Komárek & Golubić 1990 nom. nud. - cyanoprokaryotes
   Subclass Oscillatoriophycidae Hoffmann, Komárek & Kaštovský (2005), nom. inval.
     Order Chroococcales Ardissone (1887) see Order Chroococcales corrig. Ardissone 1887
       Family Chroococcaceae Nägeli (1849) see Family Chroococcaceae Nägeli 1849
         Form genus Cyanokybus J. Schiller (1956) see Genus Cyanokybus Schiller 1956