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 Family Ammatoideaceae Elenkin (1949) see Family Microcoleaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014), nom. illeg. Form genus Ammatoidea W.West & G.S.West (1897) see Genus Ammatoidea West and West 1897