n = 7
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Trachinocephalus atrisignis | Prokofiev, 2019 | Trachinocephalus atrisignis | Synodontidae | |
| Trachinocephalus brevirostris | (Poey, 1860) | Trachinocephalus myops | Synodontidae | Snakefish |
| Trachinocephalus gauguini | Polanco Fernandez, Acero P. & Betancur-R., 2016 | Trachinocephalus gauguini | Synodontidae | |
| Trachinocephalus hypozona | (Ogilby, 1897) | Trachinocephalus trachinus | Synodontidae | |
| Trachinocephalus limbatus | (Eydoux & Souleyet, 1850) | Trachinocephalus myops | Synodontidae | Snakefish |
| Trachinocephalus myops | (Forster, 1801) | Trachinocephalus myops | Synodontidae | Snakefish |
| Trachinocephalus trachinus | (Temminck & Schlegel, 1846) | Trachinocephalus trachinus | Synodontidae |