- Potamolithus buschii
- Potamolithus catharinae
- Potamolithus gracilis
- Potamolithus iheringi
- Potamolithus jacuhyensis
- Potamolithus karsticus
- Potamolithus lapidum
- Potamolithus orbignyi
- Potamolithus philippianus
- Potamolithus ribeirensis
- Potamolithus rushii
- Potamolithus simplex
- Potamolithus sykesii
- Potamolithus troglobius