| Species | Name Used in Reference |
|---|---|
| Hypostomus commersoni Valenciennes, 1836 | Hypostomus commersoni (p. 8;pl.7) |
| Hypostomus cordovae (Günther, 1880) | Hypostomus cordovae (p. 14;fig.9) |
| Hypostomus laplatae (Eigenmann, 1907) | Hypostomus laplatae (p. 17;fig.10) |
| Hypostomus spiniger (Hensel, 1870) | Hypostomus spiniger (p. 12;fig.7) |