1. Genus Alborzia Nowruzi & Soares, 2021
2. Genus Aphanocapsaopsis P.K.Maithy & M.Shukla, 1997 †
3. Genus Bisacculoides J.H.Oehler, 1977 †
4. Genus Chroococcus Nägeli, 1849
5. Genus Coccochloris K.P.J.Sprengel, 1807
6. Genus Coleogleba P.K.Strother, A.H.Knoll & Barghoorn, 1983 †
7. Genus Coniunctiophycus Yun Zhang, 1981 †
8. Genus Cryptococcum W.A.Gama, J.Rigonato, M.F. Flore & C.L.Sant'Anna, 2019
9. Genus Cyanoarbor C.-Z.Wang, 1989
10. Genus Cyanocatenula van Joosten, 2006
11. Genus Cyanodermatium Geitler, 1933
12. Genus Cyanokybus Schiller, 1956
13. Genus Cyanosarcina Kovácik, 1988
14. Genus Dactylococcopsis Hansgirg
15. Genus Entophysalis Kützing, 1843
16. Genus Eoaphanocapsa A.V.Nyberg & J.W.Schopf, 1984 †
17. Genus Eosynechococcus Hans J.Hofmann, 1976 †
18. Genus Eotetrahedrion J.W.Schopf & Blacic, 1971 †
19. Genus Gloeodiniopsis J.W.Schopf, 1968 †
20. Genus Guyotia W.Schmidle, 1905
21. Genus Gyalosphaera P.K.Strother, A.H.Knoll & Barghoorn, 1983
22. Genus Inacoccus W.A.Gama, J.Rigonato, M.F.Flore & C.L.Sant'Anna, 2019
23. Genus Johanseninema P.Hasler, P.Dvorák & A.Poulücková, 2014
24. Genus Lithocapsa Ercegovic, 1925
25. Genus Microcystiopsis P.K.Misra & P.K.Maithy, 1984 †
26. Genus Myxococcoides J.W.Schopf, 1968 †
27. Genus Nanococcus J.H.Oehler, 1977 †
28. Genus Neochroococcus R.Geng & G.Yu, 2021
29. Genus Nephrococcus Y.-Y.Li, 1984
30. Genus Palaeoanacystis J.W.Schopf, 1968 †
31. Genus Palaeomicrocystis P.K.Maithy, 1975 †
32. Genus Paracapsa Naumann, 1924
33. Genus Placoma Schousboe ex Bornet & Thuret, 1876
34. Genus Praechroococcus Vologdin, 1962 †
35. Genus Pseudocapsa Ercegovic, 1925
36. Genus Pseudochroococcus C.Duval, Hamlaoui & C.Bernard bis, 2021
37. Genus Pseudocyanosarcina P.Jung, B.Büdel & M.Lakatos, 2021
38. Genus Rhodococcus Hansgirg, 1884
39. Genus Rhyniosarcina T.N.Taylor & M.Krings, 2015 †
40. Genus Sclerococcus P.K.Maithy & O.N.Bhargava, 1982 †
41. Genus Siphononema Geitler, 1925
42. Genus Sorospora Hassall, 1845 †
43. Genus Sphaerophycus J.W.Schopf, 1968
44. Genus Tetraphycus D.Z.Oehler, 1978 †
45. Genus Tetrarcus Skuja, 1934
46. Genus Lemmermannia A.A.Elenkin, 1933 accepted as Lemmermanniella Geitler, 1942
47. Genus Monocapsa Itzigsohn, 1853 accepted as Gloeocapsa Kützing, 1843
48. Genus Siphonema Geitler accepted as Siphononema Geitler, 1925
49. Genus Sphinctosiphon G.S.West, 1907 accepted as Microcystis Lemmermann, 1907
50. Genus Stilocapsa Ley, 1947
51. Genus Bigeminococcus Schopf & Blacic, 1971 † (uncertain)
52. Genus Eozygion Schopf & Blacic, 1971 † (uncertain)
53. Genus Hydroepicoccum De Notaris, 1869 (uncertain, uncertain taxonomic status subjected to verification)
54. Genus Oncobyrsella J.H.Johnson, 1937 † (uncertain)
55. Genus Phanerosphaerops Schopf & Blacic, 1971 † (uncertain)

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