Ceratophallus
Ceratophallus is a genus of freshwater air-breathing snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails, or planorbids. All species in this genus have sinistral or left-coiling shells. Snails in this genus are found in Africa and some Indian Ocean islands.Species within this genus include:
- Ceratophallus apertus
- Ceratophallus bicarinatus
- Ceratophallus coretus
- Ceratophallus crassus
- Ceratophallus faini
- Ceratophallus gibbonsi
- Ceratophallus kisumiensis
- Ceratophallus natalensis
- Ceratophallus pelecystoma
- Ceratophallus socotrensis
- Ceratophallus yesimit Brown, 2001
