[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885) Order Nostocales Borzì (1914) see Order Nostocales corrig. Borzì 1914 Family Fortieaceae Komárek, Kaštovský, Mareš & Johansen (2014), nom. nud. see Family Leptobasaceae Elenkin (1917), nom. illeg. Genus "Roholtiella" Bohunická et al. (2014), nom. ined. see Genus Roholtiella Bohunická, Pietrasiak & J.R.Johans. (2015)