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 Oscillatoriaceae Engl. (1898), nom. cons. see Family Oscillatoriaceae Engler 1898 nom. cons. Form genus Polychlamydum W.West & G.S.West (1897) see Genus Polychlamydum West and West 1897