[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885)
   Order Nostocales Borzì (1914) see Order Nostocales corrig. Borzì 1914
     Family Scytonemataceae A.B.Frank (1886) see Family Scytonemataceae corrig. Frank 1886
       Genus Chakia J.Komárková, E.Zapomělová & Komárek (2013), nom. inval. see Genus Chakia Komárková et al. 2013 nom. inval.