life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokarya see Domain Bacteria Woese et al. 1990 stat. inval.
     Kingdom Bacteria Cavalier-Smith 1998 nom. inval. - bacteria see Kingdom Bacteria Cavalier-Smith 2002 stat. inval.
       Subkingdom Eubacteria Cavalier-Smith 1981 see Domain Bacteria Woese et al. 1990 stat. inval.
         Division Gracilicutes Gibbons and Murray 1978 (Approved Lists 1980) see Phylum Gracilicutes
           Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 stat. inval. - cyanobacteria see Phylum Cyanobacteriota Oren et al. 2022
             Class Coccogoneae Thuret (1875) - coccoid cyanobacteria see Subclass Oscillatoriophycideae Hoffmann, Komárek & Kaštovský (2005), nom. inval., orth. inval.
               Order Chroococcales Ardissone (1887) see Order Chroococcales corrig. Ardissone 1887
                 1 Genus Gloeocapsa Kütz. (1843), nom. cons. see Genus Gloeocapsa Kützing 1843 nom. cons.
                 2 Genus Chroococcus C. Nägeli (1849) see Genus Chroococcus Nägeli 1849
                 3 Genus Anacystis G. Meneghini (1837) see Genus Anacystis Meneghini 1837
                 4 Genus Prochloron Lewin (1977), nom. inval. see Genus Prochloron Lewin ex L.Hoffm. & Greuter (1993)
                 5 Genus Synechocystis C. Sauvageau (1893) see Genus Synechocystis Sauvageau 1893
                 6 Genus Synechococcus C. Nägeli (1849) see Genus Synechococcus Nägeli 1849
                 7 Genus Entophysalis Kütz. (1843) see Genus Entophysalis Kützing 1843