Class Cyanoprokaryota Komárek & Golubić 1990 nom. nud. - cyanoprokaryotes
   Subclass Oscillatoriophycidae Hoffmann, Komárek & Kaštovský (2005), nom. inval.
     Order Chroococcales Ardissone (1887) see Order Chroococcales corrig. Ardissone 1887
       Family Stichosiphonaceae Hoffmann, Komárek & Kaštovský (2005), nom. nud. see Family Stichosiphonaceae Hoffmann et al. 2005 nom. nud.
         1 Form genus Chamaecalyx Komárek & Anagn. (1986) see Genus Chamaecalyx Komárek and Anagnostidis 1986
         2 Form subgenus "Chamaesiphon subg. Godlewskia" (Janczewski) Komárek & Anagn. (1995) see Genus Godlewskia Janczewski (1883)
         3 Form genus Stichosiphon L. Geitler (1931) see Genus Stichosiphon Geitler 1931