| Nominal Species (n = 10) | Present allocation (n = 4) | Ref. |
|---|---|---|
| Fregata andrewsi Mathews, 1914 | Fregata andrewsi | 7816 |
| Fregata ariel iredalei Mathews, 1914 | Fregata ariel | 7816 |
| Fregata ariel trinitatis Miranda-Ribeiro, 1919 | Fregata ariel | 7816 |
| Fregata magnificens Mathews, 1914 | Fregata magnificens | 7816 |
| Fregata magnificens lowei Bannerman, 1927 | Fregata magnificens | 7816 |
| Fregata magnificens magnificens Mathews, 1914 | Fregata magnificens | 7816 |
| Fregata magnificens rothschildi Mathews, 1915 | Fregata magnificens | 7816 |
| Fregata minor aldabrensis Mathews, 1914 | Fregata minor | 7816 |
| Fregata minor nicolli Mathews, 1914 | Fregata minor | 7816 |
| Fregata minor ridgwayi Mathews, 1914 | Fregata minor | 7816 |