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 Plectonema Thuret ex Gomont (1892) see Genus Plectonema Thuret ex Gomont 1892