[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885) Order Nostocales Borzì (1914) see Order Nostocales corrig. Borzì 1914 Family Symphyonemataceae Hoffmann, Komárek & Kaštovský (2005), nom. inval. see Family Scytonemataceae A.B.Frank (1886) Genus Symphyonema C.C. Jao (1944) see Genus Symphyonema Jao 1944