[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885)
   Order Nostocales Borzì (1914) see Order Nostocales corrig. Borzì 1914
     Family Rivulariaceae Frank (1886) see Family Rivulariaceae Frank 1886
       1 Genus Calothrix C.Agardh ex Bornet & Flahault (1886) see Genus Calothrix Agardh ex Bornet and Flahault 1886
       2 Genus Dichothrix Zanardini ex Bornet & Flahault (1886) see Genus Dichothrix Zanardini ex Bornet and Flahault 1886
       3 Genus Gardnerula G. De Toni (1936) see Genus Gardnerula De Toni 1936
       4 Genus Isactis G. Thuret ex Bornet & Flahault (1886) see Genus Isactis Thuret ex Bornet and Flahault 1886
       5 Genus Microchaete G. Thuret ex Bornet & Flahault (1886), nom. cons. see Genus Microchaete Thuret ex Bornet and Flahault 1886 nom. cons.
       6 Genus Rivularia C.Agardh ex Bornet & Flahault (1886), nom. cons. see Genus Rivularia Agardh ex Bornet and Flahault 1886 nom. cons.
       7 Genus Sacconema A. Borzì ex Bornet & Flahault (1886) see Genus Sacconema Borzì ex Bornet and Flahault 1886