[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885) Order Chroococcales Ardissone (1887) [paraphyletic] see Order Chroococcales corrig. Ardissone 1887 Family Cyanobacteriaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014), nom. inval. [monotypic] see Family Geminocystaceae Tuji, Yamaguchi & Niiyama (2021) 1 Genus Cyanobacteriumᵀ Rippka & Cohen-Baz. (1983), nom. inval. see Genus Cyanobacterium Rippka & Cohen-Baz. (2022)