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 Capsosiraceae L. Geitler (1925) see Family Capsosiraceae Geitler 1925
         1 Form genus Capsosira Kütz. ex Bornet & Flahault (1886) see Genus Capsosira Kützing ex Bornet and Flahault 1886
         2 Form genus Desmosiphon A. Borzì (1907) see Genus Desmosiphon Borzì 1907
         3 Form genus Hyphomorpha A. Borzì (1916) see Genus Hyphomorpha Borzì 1916
         4 Form genus Letestuinema Frémy (1930) see Genus Letestuinema Frémy 1930
         5 Form genus Nematoplaca Geitler (1933) see Genus Nematoplaca Geitler 1933
         6 Form genus Stauromatonema Frémy (1930) see Genus Stauromatonema Frémy 1930