[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885)
   Order Nostocales Borzì (1914) see Order Nostocales corrig. Borzì 1914
     Family Capsosiraceae L. Geitler (1925) see Family Capsosiraceae Geitler 1925
       1 Genus Capsosira Kütz. ex Bornet & Flahault (1886) see Genus Capsosira Kützing ex Bornet and Flahault 1886
       2 Genus Desmosiphon A. Borzì (1907) see Genus Desmosiphon Borzì 1907
       3 Genus Nematoplaca Geitler (1933) see Genus Nematoplaca Geitler 1933
       4 Genus Stauromatonema Frémy (1930) see Genus Stauromatonema Frémy 1930