Species (9)
- Hydrothassa marginella L.
- Hydrothassa glabra Herbst
- Hydrothassa hannoveriana
- Hydrothassa hannoverana F.
- Hydrothassa flavocincta Brulle
- Prasocuris flavocincta Brulle
- Prasocuris hannoverana F.
- Prasocuris glabra Herbst
- Prasocuris marginella L.