oxyphototroph prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Class Cyanoprokaryota Komárek & Golubić 1990 nom. nud. - cyanoprokaryotes
     Order Stigonematales Geitler (1925) see Order Nostocales Borzì (1914)
       Family Loriellaceae Geitler (1925) see Family Hapalosiphonaceae Elenkin 1917
         1 Form genus Albrightia Copel. (1936) see Genus Albrightia Copeland 1936
         2 Form genus Brachytrichiopsis Jao (1944) see Genus Brachytrichiopsis Jao 1944
         3 Form genus Colteronema Copel. (1936) see Genus Colteronema Copeland 1936
         4 Form genus Geitleria Friedmann (1955) see Genus Geitleria Friedmann 1955
         5 Form genus Loefgrenia Gomont (1896) see Genus Loefgrenia Gomont 1896
         6 Form genus Loriella A. Borzì (1892) see Genus Loriella Borzì 1892
         7 Form genus Mastigocoleopsis Geitler (1925) see Genus Mastigocoleopsis Geitler 1925
         8 Form genus Matteia A. Borzì (1907) see Genus Matteia Borzì 1907