| Species | Name Used in Reference |
|---|---|
| Oligosarcus amome Almirón, Casciotta, Piálek, Doubnerová, ?í?an, 2015 | Oligosarcus amome (p. 582;figs.1-7;tab.1 ) |
| Oligosarcus oligolepis (Steindachner, 1867) | Oligosarcus oligolepis (p. 589 ) |
| Oligosarcus platensis (Messner, 1962) | Oligosarcus platensis (p. 581,589 ) |