Helobdella anoculis- Helobdella austinensis
- Helobdella bowermani
- Helobdella californica
- Helobdella conifera
- Helobdella fuhrmanni
- Helobdella fusca
- Helobdella godeti
- Helobdella huaroni
- Helobdella michaelseni
- Helobdella modesta
- Helobdella octatestisaca
- Helobdella papillata
- Helobdella paraguayensis
- Helobdella peruviensis
- Helobdella punctatolineata
- Helobdella robusta
- Helobdella scutifera
- Helobdella socimulcensis
- Helobdella stagnalis
- Helobdella transversa
- Helobdella triserialis
- Helobdella villarsi