[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885)
   Order Oscillatoriales Schaffner (1922) [paraphyletic] see Order Oscillatoriales Schaffner 1922
     1 Family Cyanothecaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014) [monotypic] see Family Cyanothecaceae Komárek et al. 2014
     2 Family Borziaceae Borzì (1914) [monotypic] see Family Borziaceae Borzì 1914
     3 Family Coleofasciculaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014) see Family Coleofasciculaceae Komárek et al. 2014
     4 Family Microcoleaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014), nom. illeg. see Family Microcoleaceae (Hansgirg 1888) Strunecký et al. 2013
     5 Family Homoeotrichaceae A.A. Elenkin (1949) see Family Microcoleaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014), nom. illeg.
     6 Family Oscillatoriaceae Engl. (1898), nom. cons. see Family Oscillatoriaceae Engler 1898 nom. cons.
     7 Family Gomontiellaceae Elenkin ex Geitler (1942) see Family Gomontiellaceae Elenkin ex Geitler 1942