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 Microcoleoideae Hansgirg (1892)
           1 Form genus Hydrocoleum Kütz. ex Gomont (1892) see Genus Hydrocoleum Kützing ex Gomont 1892
           2 Genus Lyngbya C.Agardh ex Gomont (1892), nom. cons. see Genus Lyngbya C.A. Agardh ex Gomont 1892 nom. cons.
           3 Form genus Lyngbyopsis N.L.Gardner (1927) see Genus Lyngbyopsis Gardner 1927
           4 Genus Microcoleus J.B.H.J. Desmazières ex Gomont (1892) see Genus Microcoleus Desmazières ex Gomont 1892
           5 Form genus Sirocoleum Kütz. ex Gomont (1892) see Genus Sirocoleum Kützing ex Gomont 1892
           6 Form genus Symplocastrum (Gomont) O. Kirchner (1898) see Genus Symplocastrum (Gomont 1892) Kirchner 1898