| Species | Name Used in Reference |
|---|---|
| Trichomycterus alternatus (Eigenmann, 1917) | Trichomycterus alternatus (p. 743;fig.2 ) |
| Trichomycterus alterus (Marini, Nichols & La Monte, 1933) | Trichomycterus alterus (p. 743;fig.2 ) |
| Trichomycterus belensis Fernández & Vari, 2002 | Trichomycterus belensis (p. 739;fig.1 ) |