[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885)
   Order Chroococcales Ardissone (1887) [paraphyletic] see Order Chroococcales corrig. Ardissone 1887
     Family Entophysalidaceae Geitler (1925) see Family Chroococcaceae Nägeli (1849)
       Genus Siphononema L. Geitler (1925) see Genus Siphononema Geitler 1925