[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 Schizotrichaceae Elenkin (1949) see Family Schizotrichaceae Elenkin 1949
       Genus Schizothrix Kütz. ex Gomont (1892) see Genus Schizothrix Kützing ex Gomont 1892