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
             1 Genus Gloeothece C. Nägeli (1849), nom. cons. see Genus Gloeothece Nägeli 1849 nom. cons.
             2 Genus Hyella Bornet & Flahault (1888) see Genus Hyella Bornet and Flahault 1888
             3 Genus Lyngbya C.Agardh ex Gomont (1892), nom. cons. see Genus Lyngbya C.A. Agardh ex Gomont 1892 nom. cons.
             4 Genus Microcystis Lemmerm. (1907), nom. cons. see Genus Microcystis Kützing ex Lemmermann 1907 nom. cons.
             5 Genus Prochlorococcus Chisholm et al. 1992 nom. inval. see Genus Prochlorococcus Chisholm et al. 2001 nom. inval.
             6 Genus Spirulina P.J.F. Turpin ex Gomont (1892) see Genus Spirulina Turpin ex Gomont 1892
             7 Class Coccogoneae Thuret (1875) - coccoid cyanobacteria see Subclass Oscillatoriophycideae Hoffmann, Komárek & Kaštovský (2005), nom. inval., orth. inval.
             8 Class Hormogoneae Thuret (1875) - filamentous cyanobacteria see Class Hormogoneae Cavalier-Smith 2002 nom. illeg., nom. rej.