[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885)
   Order Oscillatoriales Schaffner (1922) [paraphyletic] see Order Oscillatoriales Schaffner 1922
     Family Gomontiellaceae Elenkin ex Geitler (1942) see Family Gomontiellaceae Elenkin ex Geitler 1942
       1 Genus Crinalium W.B. Crow (1927) see Genus Crinalium Crow 1927
       2 Genus Gomontiella E.C. Teodoresco (1901) see Genus Gomontiella Teodoresco 1901
       3 Genus Hormoscilla Anagn. & Komárek (1988) see Genus Hormoscilla Anagnostidis and Komárek 1988
       4 Genus Katagnymene Lemmermann (1899) see Genus Katagnymene Lemmermann 1899
       5 Genus Komvophoron Anagn. & Komárek (1988) see Genus Komvophoron Anagnostidis and Komárek 1988
       6 Genus Starria N.J. Lang (1977) see Genus Starria Lang 1977