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 Gomphosphaeriaceae Elenkin (1933) see Family Gomphosphaeriaceae Elenkin 1933
         Form genus Gomphosphaeria Kütz. (1836) see Genus Gomphosphaeria Kützing 1836