[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885)
   Order Oscillatoriales Schaffner (1922) [paraphyletic] see Order Oscillatoriales Schaffner 1922
     Family Oscillatoriaceae Engl. (1898), nom. cons. see Family Oscillatoriaceae Engler 1898 nom. cons.
       Genus Okeania N.Engene, V.J.Paul, T.Byrum, W.H.Gerwick, A.Thor & M.H.Ellisman (2013) see Genus Okeania Engene et al. 2013