[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
       Genus Rivularia C.Agardh ex Bornet & Flahault (1886), nom. cons. see Genus Rivularia Agardh ex Bornet and Flahault 1886 nom. cons.