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 Hyellaceae Borzì (1914) see Family Hydrococcaceae Kützing (1843)
         Subfamily Hyelloideae see Family Hyellaceae Borzì (1914)
           1 Form genus Cyanoderma Weber-van Bosse (1887) see Genus Cyanoderma Weber-van Bosse 1887
           2 Form genus Hyella Bornet & Flahault (1888) see Genus Hyella Bornet and Flahault 1888
           3 Genus Pleurocapsa Thur. (1885) see Genus Pleurocapsa Thuret 1885
           4 Form genus Radaisia C. Sauvageau (1895) see Genus Radaisia Sauvageau 1895