oxyphototroph prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Class Cyanoprokaryota Komárek & Golubić 1990 nom. nud. - cyanoprokaryotes
     Order Chroococcales Ardissone (1887) see Order Chroococcales corrig. Ardissone 1887
       Family Chroococcaceae Nägeli (1849) see Family Chroococcaceae Nägeli 1849
         1 Genus Acaryochloris Miyashita and Chihara 2003 nom. inval.
         2 Form genus Asterocapsa H.J. Chu (1952) see Genus Asterocapsa Chu 1952
         3 Genus Chroococcus C. Nägeli (1849) see Genus Chroococcus Nägeli 1849
         4 Form genus Cyanokybus J. Schiller (1956) see Genus Cyanokybus Schiller 1956
         5 Form genus Cyanosarcina Kováčik (1988) see Genus Cyanosarcina Kováčik 1988
         6 Form genus Cyanostylon L. Geitler (1928) see Genus Cyanostylon Geitler 1928
         7 Form genus Gloeocapsopsis Geitler ex Komárek (1993) see Genus Gloeocapsopsis Geitler ex Komárek 1993
         8 Form genus Nephrococcus Y.Y. Li (1984) see Genus Nephrococcus Li 1984
         9 Form genus Pseudocapsa A. Ercegović (1925) see Genus Pseudocapsa Ercegović 1925