Adrianema G. De Toni, 1936 (extant flag source)
Adrianema G. De Toni, 1936 (basis of record)
Albrightia Copeland, 1936 (basis of record)
Albrightia Copeland, 1936 (extant flag source)
Alternantia J. Schiller, 1954 (extant flag source)
Alternantia J. Schiller, 1954 (basis of record)
Ammatoidea W. West & G.S. West, 1897 (basis of record)
Ammatoidea W. West & G.S. West, 1897 (extant flag source)
Anabaena Bory de Saint-Vincent ex Bornet & Flahault, 1886 (basis of record)
Anabaena Bory de Saint-Vincent ex Bornet & Flahault, 1886 (extant flag source)
Anabaenopsis V.V. Miller, 1923 (extant flag source)
Anabaenopsis V.V. Miller, 1923 (basis of record)
Aphanizomenon C. Morren ex É. Bornet & C. Flahault, 1886 (basis of record)
Aphanizomenon C. Morren ex É. Bornet & C. Flahault, 1886 (extant flag source)
Aphanocapsa Nägeli, 1849 (extant flag source)
Aphanocapsa Nägeli, 1849 (basis of record)
Aphanothece Nägeli, 1849 (basis of record)
Aphanothece Nägeli, 1849 (extant flag source)
Arthronema J. Komárek & J. Lukavský, 1988 (basis of record)
Arthronema J. Komárek & J. Lukavský, 1988 (extant flag source)
Arthrospira Sitzenberger ex Gomont, 1892 (extant flag source)
Arthrospira Sitzenberger ex Gomont, 1892 (basis of record)
Asterocapsa Chu, 1952 (basis of record)
Asterocapsa Chu, 1952 (extant flag source)
Aulosira Kirchner ex Bornet & Flahault, 1886 (extant flag source)
Aulosira Kirchner ex Bornet & Flahault, 1886 (basis of record)
Bacularia A. Borzì, 1905 accepted as Bacillosiphon Copeland, 1936 (basis of record)
Bacularia A. Borzì, 1905 accepted as Bacillosiphon Copeland, 1936 (extant flag source)
Baradlaia P. Palik, 1960 (extant flag source)
Baradlaia P. Palik, 1960 (basis of record)
Blennothrix Kützing ex Anagnostidis & Komárek, 1988 (basis of record)
Blennothrix Kützing ex Anagnostidis & Komárek, 1988 (extant flag source)
Borzia Cohn ex Gomont, 1892 (basis of record)
Borzia Cohn ex Gomont, 1892 (extant flag source)
Borzinema De Toni, 1936 (extant flag source)
Borzinema De Toni, 1936 (basis of record)
Brachytrichia Zanardini ex Bornet & Thuret, 1886 (basis of record)
Brachytrichia Zanardini ex Bornet & Thuret, 1886 (extant flag source)
Brachytrichiopsis C.-C. Jao, 1944 (extant flag source)
Brachytrichiopsis C.-C. Jao, 1944 (basis of record)
Calothrix C.A. Agardh ex Bornet & Flahault, 1886 (basis of record)
Camptylonemopsis T.V. Desikachary, 1948 (basis of record)
Camptylonemopsis T.V. Desikachary, 1948 (extant flag source)
Capsosira Kützing ex Bornet & Flahault, 1886 (extant flag source)
Capsosira Kützing ex Bornet & Flahault, 1886 (basis of record)
Chamaecalyx Komárek & Anagnostidis, 1986 (basis of record)
Chamaecalyx Komárek & Anagnostidis, 1986 (extant flag source)
Chamaesiphon A. Braun in L. Rabenhorst, 1864 (basis of record)
Chamaesiphon A. Braun in L. Rabenhorst, 1864 (extant flag source)
Chlorogloea Wille, 1900 (extant flag source)
Chlorogloea Wille, 1900 (basis of record)
Chlorogloeopsis A.K. Mitra & D.C. Pandey, 1967 (extant flag source)
Chlorogloeopsis A.K. Mitra & D.C. Pandey, 1967 (basis of record)
Chondrocystis Lemmermann, 1899 (basis of record)
Chondrocystis Lemmermann, 1899 (extant flag source)
Chondrogloea Schmidle, 1901 (extant flag source)
Chondrogloea Schmidle, 1901 (basis of record)
Chroococcidiopsis L. Geitler, 1933 (extant flag source)
Chroococcidiopsis L. Geitler, 1933 (basis of record)
Chroococcidium L. Geitler, 1933 (basis of record)
Chroococcidium L. Geitler, 1933 (extant flag source)
Chroococcopsis L. Geitler, 1925 (extant flag source)
Chroococcopsis L. Geitler, 1925 (basis of record)
Chroococcus Nägeli, 1849 (basis of record)
Chroococcus Nägeli, 1849 (extant flag source)
Clastidium Kirchner, 1880 (basis of record)
Clastidium Kirchner, 1880 (extant flag source)
Coccopedia Troickaja, 1922 (extant flag source)
Coccopedia Troickaja, 1922 (basis of record)
Coelomoron Buell, 1938 (extant flag source)
Coelomoron Buell, 1938 (basis of record)
Coelosphaeriopsis Lemmermann, 1899 (basis of record)
Coelosphaeriopsis Lemmermann, 1899 (extant flag source)
Coelosphaerium Nägeli, 1849 (extant flag source)
Coelosphaerium Nägeli, 1849 (basis of record)
Coleodesmiopsis Dutt, Datta & Gupta, 1982 accepted as Coleodesmium A. Borzì ex L. Geitler in A. Engler & K. Prantl, 1942 (extant flag source)
Coleodesmiopsis Dutt, Datta & Gupta, 1982 accepted as Coleodesmium A. Borzì ex L. Geitler in A. Engler & K. Prantl, 1942 (basis of record)
Coleodesmium A. Borzì ex L. Geitler in A. Engler & K. Prantl, 1942 (extant flag source)
Coleodesmium A. Borzì ex L. Geitler in A. Engler & K. Prantl, 1942 (basis of record)
Colteronema Copeland, 1936 (basis of record)
Colteronema Copeland, 1936 (extant flag source)
Crinalium Crow, 1927 (basis of record)
Crinalium Crow, 1927 (extant flag source)
Cyanarcus Pascher, 1914 (extant flag source)
Cyanarcus Pascher, 1914 (basis of record)
Cyanoarbor C.-Z. Wang, 1989 (basis of record)
Cyanoarbor C.-Z. Wang, 1989 (extant flag source)
Cyanobacterium Rippka & Cohen-Bazire, 1983 (extant flag source)
Cyanobacterium Rippka & Cohen-Bazire, 1983 (basis of record)
Cyanobium Rippka & Cohen-Bazire, 1983 (basis of record)
Cyanobium Rippka & Cohen-Bazire, 1983 (extant flag source)
Cyanobotrys L. Hoffmann, 1991 accepted as Caeruleovitis E.A. Molinari-Novoa & C.E. Sánchez Ocharan in Molinari-Novoa et al., 2021 (basis of record)
Cyanobotrys L. Hoffmann, 1991 accepted as Caeruleovitis E.A. Molinari-Novoa & C.E. Sánchez Ocharan in Molinari-Novoa et al., 2021 (extant flag source)
Cyanocatena F. Hindák, 1975 (extant flag source)
Cyanocatena F. Hindák, 1975 (basis of record)
Cyanocomperia Hindák, 2001 (extant flag source)
Cyanocomperia Hindák, 2001 (basis of record)
Cyanocystis A. Borzì, 1882 (basis of record)
Cyanocystis A. Borzì, 1882 (extant flag source)
Cyanoderma Weber-van Bosse, 1887 (basis of record)