[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885)
   Order Nostocales Borzì (1914) see Order Nostocales corrig. Borzì 1914
     Family Tolypothrichaceae Hauer, Bohunická, J.R.Johans., Mareš & Berrendero-Gomez (2014), orth. inval. see Family Tolypotrichaceae Hauer, Bohunická, J.R.Johans., Mareš & Berrendero-Gomez (2014)
       1 Genus Borzinema G.De Toni (1936) see Genus Borzinema De Toni 1936
       2 Genus Coleodesmium A. Borzì ex L. Geitler (1942) see Genus Coleodesmium Borzì ex Geitler 1942
       3 Genus "Dactylothamnos" Fiore et al. (2014), nom. inval. see Genus Dactylothamnos Komárek, Genuário, Fiore & Elster (2015)
       4 Genus Hassallia M.J. Berkeley ex Bornet & Flahault (1886), nom. illeg. see Genus Tolypothrix Kützing ex Bornet and Flahault 1886
       5 Genus Rexia Casamatta, Gomez & J.R.Johans. (2006) see Genus Rexia Casamatta et al. 2006
       6 Genus Seguenzaea Borzì (1907) see Genus Seguenzaea Borzì 1907
       7 Genus Spirirestis Flechtner & J.R.Johans. (2002) see Genus Spirirestis Flechtner and Johansen 2002
       8 Genus Streptostemon C.L. Sant'Anna, T.M.P. Azevedo, J. Kaštovský & Komárek (2010) see Genus Streptostemon Sant'Anna et al. 2010
       9 Genus Tolypothrix Kütz. ex Bornet & Flahault (1886) see Genus Tolypothrix Kützing ex Bornet and Flahault 1886