Class Cyanoprokaryota Komárek & Golubić 1990 nom. nud. - cyanoprokaryotes
   Subclass Oscillatoriophycidae Hoffmann, Komárek & Kaštovský (2005), nom. inval.
     Order Oscillatoriales Schaffner (1922) see Order Oscillatoriales Schaffner 1922
       1 Family Borziaceae Borzì (1914) see Family Borziaceae Borzì 1914
       2 Family Phormidiaceae Anagn. & Komárek (1988) see Family Oscillatoriaceae Engl. (1898), nom. cons.
       3 Family Ammatoideaceae Elenkin (1949) see Family Microcoleaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014), nom. illeg.
       4 Family Oscillatoriaceae Engl. (1898), nom. cons. see Family Oscillatoriaceae Engler 1898 nom. cons.
       5 Family Gomontiellaceae Elenkin ex Geitler (1942) see Family Gomontiellaceae Elenkin ex Geitler 1942