| Species | Name Used in Reference |
|---|---|
| Oligosarcus acutirostris Menezes, 1987 | Oligosarcus acutirostris (p. ) |
| Oligosarcus argenteus Günther, 1864 | Oligosarcus argenteus (p. 22) |
| Oligosarcus brevioris Menezes, 1987 | Oligosarcus brevioris (p. ) |
| Oligosarcus jenynsii (Günther, 1864) | Oligosarcus jenynsii (p. ) |
| Oligosarcus macrolepis (Steindachner, 1877) | Oligosarcus macrolepis (p. 21) |
| Oligosarcus oligolepis (Steindachner, 1867) | Oligosarcus oligolepis (p. 28) |
| Oligosarcus paranensis Menezes & Géry, 1983 | Oligosarcus paranensis (p. ) |