[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885)
   Order Chroococcales Ardissone (1887) [paraphyletic] see Order Chroococcales corrig. Ardissone 1887
     Family Aphanothecaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014) see Family Microcystaceae Elenkin (1933)
       Genus Halothece Margheri, Ventura, Kaštovský & Komárek (2008) see Genus Halothece Margheri et al. 2008