oxyphototroph prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Class Cyanoprokaryota Komárek & Golubić 1990 nom. nud. - cyanoprokaryotes
     Order Oscillatoriales Schaffner (1922) see Order Oscillatoriales Schaffner 1922
       Family Phormidiaceae Anagn. & Komárek (1988) see Family Oscillatoriaceae Engl. (1898), nom. cons.
         Subfamily Phormidioideae
           1 Genus Arthrospira E. Stizenberger ex Gomont (1892) see Genus Arthrospira Stizenberger ex Gomont 1892
           2 Genus Phormidium Kütz. ex Gomont (1892) see Genus Phormidium Kützing ex Gomont 1892
           3 Genus Planktothrix Anagn. & Komárek (1988) see Genus Planktothrix Anagnostidis and Komárek 1988
           4 Genus Planktothricoides Suda & M.M. Watan. (2002) see Genus Planktothricoides Suda and Watanabe 2002
           5 Form genus Porphyrosiphon Kütz. ex Gomont (1892) see Genus Porphyrosiphon Kützing ex Gomont 1892
           6 Genus Pseudophormidium (A. Forti) Anagn. & Komárek (1988) see Genus Pseudophormidium (Forti 1907) Anagnostidis and Komárek 1988
           7 Genus Symploca Kütz. ex Gomont (1892) see Genus Symploca Kützing ex Gomont 1892
           8 Genus Trichodesmium Ehrenb. ex Gomont (1892), nom. cons. see Genus Trichodesmium Ehrenberg ex Gomont 1892 nom. cons.
           9 Genus Tychonema Anagn. & Komárek (1988) see Genus Tychonema Anagnostidis and Komárek 1988