oxyphototroph prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Class Cyanoprokaryota Komárek & Golubić 1990 nom. nud. - cyanoprokaryotes
     Order Nostocales Borzì (1914) see Order Nostocales corrig. Borzì 1914
       Family Rivulariaceae Frank (1886) see Family Rivulariaceae Frank 1886
         1 Genus Calothrix C.Agardh ex Bornet & Flahault (1886) see Genus Calothrix Agardh ex Bornet and Flahault 1886
         2 Form genus Dichothrix Zanardini ex Bornet & Flahault (1886) see Genus Dichothrix Zanardini ex Bornet and Flahault 1886
         3 Form genus Gardnerula G. De Toni (1936) see Genus Gardnerula De Toni 1936
         4 Form genus Gloeotrichia J.Agardh ex Bornet & Flahault (1886) see Genus Gloeotrichia Agardh ex Bornet and Flahault 1886
         5 Form genus Isactis G. Thuret ex Bornet & Flahault (1886) see Genus Isactis Thuret ex Bornet and Flahault 1886
         6 Form genus Rivularia C.Agardh ex Bornet & Flahault (1886), nom. cons. see Genus Rivularia Agardh ex Bornet and Flahault 1886 nom. cons.
         7 Form genus Sacconema A. Borzì ex Bornet & Flahault (1886) see Genus Sacconema Borzì ex Bornet and Flahault 1886