English
Species (20)
Xystonellopsis cyclas Kofoid & Campbell 1929- Xystonellopsis cyclas Kofoid & Campbell 1929
Cyclas tumida- Cyclas variegata
- Cyclas argentina
- Cyclas caliculata
- Cyclas calyculata
- Cyclas corneus
- Cyclas hartmanni
- Cyclas nucleus
- Cyclas limosa
- Cyclas lacustris
- Cyclas paranensis
- Cyclas obsoleta
- Cyclas pulchella
- Cyclas radiata
- Cyclas sp.
- Cyclas cornea
- Cyclas ontariensis
- Cyclas rivicola
