| Microcystis robusta (Clark) Nygaard, 1925 |
| Microcystis scripta (Richt.) Geitler, 1925 |
| Microcystis smithii Komàrek & Anagn., 1995 |
| Microcystis zanardinii (Hauck) P. C. Silva, 1996 |
| Polycystis (Kütz.) Kütz., 1849 |
| Polycystis clarionensis Setch. & N. L. Gardner, 1937 |
| Polycystis elabens Breb. ex Kütz., 1849 |
| Snowella Elenkin, 1938 |
| Snowella atomus Komárek & Hindák, 1988 |
| Synechocystis Sauv., 1892 |
| Synechocystis aquatilis Sauv., 1892 |
| Synechocystis didemni Lewin, 1975 |
| Synechocystis minuscula Voronichin, 1926 |
| Synechocystis pevalekii Ercegovic, 1925 |
| Synechocystis salina Wislouch, 1924 |
| Woronichinia Elenkin, 1933 |
| Woronichinia microcystoides (Komárek) Joosten, 2006 |