| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Phormidium corallyticum Rützler & Santavy |
Western Central Atlantic | ||
| Phormidium incrustatum (Nägeli) Gomont |
Northeast Atlantic | ||
| Phormidium mucicola Huber-PeStalozzi & Naumann |
Asia | ||
| Phormidium nigroviride (Thwaites ex Gomont) Anagnostidis & Komárek |
Western Indian Ocean and Northeast Atlantic | ||
| Phormidium submembranaceum (Ardissone & Strafforello) Gomont |
Western Central Atlantic |