Ferrissia
The genus Ferrissia belongs to the family Planorbidae.
#Species
- Ferrissia baconi
- Ferrissia dohrnianus
- Ferrissia gentilis
- Ferrissia modesta
- Ferrissia neozelanicus
- Ferrissia petterdi
- Ferrissia tanganyicensis
- Ferrissia tenuis
- Ferrissia verruca