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 Microcystaceae Elenkin (1933) see Family Microcystaceae Elenkin 1933
         1 Form genus Chondrocystis Lemmerm. (1899) see Genus Chondrocystis Lemmermann 1899
         2 Form genus Eucapsis F.E. Clements & H.L. Shantz (1909) see Genus Eucapsis Clements and Shantz 1909
         3 Genus Gloeocapsa Kütz. (1843), nom. cons. see Genus Gloeocapsa Kützing 1843 nom. cons.
         4 Genus Microcystis Lemmerm. (1907), nom. cons. see Genus Microcystis Kützing ex Lemmermann 1907 nom. cons.
         5 Form genus Sphaerocavum Azevedo & Sant'Anna (2003) see Genus Sphaerocavum Azevedo and Sant'Anna 2003