| More info | Plus d'info | Mais info | FishBase |
| No. | Valid Name | Author | English Name |
| 1. | Gymnocorymbus bondi | (Fowler, 1911) | |
| 2. | Gymnocorymbus flaviolimai | Benine, Melo, Castro & Oliveira, 2015 | |
| 3. | Gymnocorymbus ternetzi | (Boulenger, 1895) | Black tetra |
| 4. | Gymnocorymbus thayeri | Eigenmann, 1908 | False black tetra |