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 "Cyanobacteriaceae" Hoffmann, Komárek & Kaštovský (2005), nom. inval. see Family Cyanobacteriaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014), nom. inval.
         01 Genus Aphanothece C. Nägeli (1849), nom. cons. see Genus Aphanothece Nägeli 1849 nom. cons.
         02 Genus Cyanobacterium Rippka & Cohen-Baz. (1983), nom. inval. see Genus Cyanobacterium Rippka & Cohen-Baz. (2022)
         03 Genus Cyanothece Komárek (1976) see Genus Cyanothece Komárek 1976
         04 Genus "Euhalothece" (F.Garcia-Pichel, U.Nübel & G.Muyzer) U.Nübel, F.Garcia-Pichel & G.Muyzer (2000), nom. inval. see Genus Euhalothece Garcia-Pichel et al. 1998 nom. nud.
         05 Genus Gloeothece C. Nägeli (1849), nom. cons. see Genus Gloeothece Nägeli 1849 nom. cons.
         06 Form genus Hormothece C.C. Jao (1944) see Genus Hormothece Jao 1944
         07 Form genus Microcrocis P.G. Richter (1892) see Genus Microcrocis Richter 1892
         08 Genus Myxobaktron Schmidle (1904) see Genus Myxobaktron Schmidle 1904
         09 Form genus Palikiella G. Claus ex F. Drouet (1968) see Genus Palikiella Claus ex Drouet 1968
         10 Form genus Pseudoncobyrsa Geitler (1925) see Genus Pseudoncobyrsa Geitler 1925