[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885)
   Order Synechococcales Hoffmann, Komárek & Kaštovský (2005), nom. inval. [paraphyletic] see Order Synechococcales Hoffmann et al. 2005 nom. nud.
     Family Merismopediaceae Elenkin (1933) see Family Microcystaceae Elenkin 1933
       Genus Eucapsis F.E. Clements & H.L. Shantz (1909) see Genus Eucapsis Clements and Shantz 1909