| परितंत्र | प्रकार | दर्जा | संदर्भ |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 4 |
| Magellanic | sea/bay/gulf | native | 4 |
| Malvinas/Falklands | Sea/Bay/Gulf | native | 4 |
| South Georgia | Sea/Bay/Gulf | native | 4 |
| South Sandwich Islands | Sea/Bay/Gulf | native | 4 |
| Temperate South America | sea/bay/gulf | native | 4 |