| Scientific Name | Author | English Name |
|---|---|---|
| Microcoleus lyngbyaceus | Kützing ex Forti, 1907 | |
| Phormidium corallyticum | Rützler & Santavy | |
| Phormidium incrustatum | (Nägeli) Gomont | |
| Phormidium mucicola | Huber-PeStalozzi & Naumann | |
| Phormidium nigroviride | (Thwaites ex Gomont) Anagnostidis & Komárek | |
| Phormidium submembranaceum | (Ardissone & Strafforello) Gomont | |
| Symploca hydnoides | (Harvey) Kützing | Marine sludge-weed |
| Trichodesmium erythraeum | Ehrenberg ex Gomont, 1892 | |
| Trichodesmium thiebautii | Gomont |