n = 3
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Tetranematichthys barthemi | Peixoto & Wosiacki, 2010 | Tetranematichthys barthemi | Auchenipteridae | |
| Tetranematichthys quadrifilis | (Kner, 1858) | Tetranematichthys quadrifilis | Auchenipteridae | |
| Tetranematichthys wallacei | Vari & Ferraris, 2006 | Tetranematichthys wallacei | Auchenipteridae |