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 Borzinemataceae L. Geitler (1942) see Family Borzinemataceae Geitler 1942
         Form genus Borzinema G.De Toni (1936) see Genus Borzinema De Toni 1936