Class Cyanoprokaryota Komárek & Golubić 1990 nom. nud. - cyanoprokaryotes Subclass Nostocophycidae Hoffmann, Komárek & Kaštovský (2005), nom. inval. [monotypic] Order Nostocales Borzì (1914) see Order Nostocales corrig. Borzì 1914 Family Chlorogloeopsidaceae Mitra & Pandey (1967) [monotypic] see Family Chlorogloeopsidaceae Mitra and Pandey 1967 1 Genus Chlorogloeopsis A.K. Mitra & D.C. Pandey (1967) see Genus Chlorogloeopsis Mitra and Pandey 1967