Castalia martensi (Ihering, 1893) | 
Diplodon charruanus (Orbigny, 1835) | 
Diplodon delodontus paraguayensis (Lea, 1866) | 
Diplodon delodontus pilsbryi Marshall, 1928 | 
Diplodon delodontus wymanii (Lea, 1860) | 
Diplodon parallelipipedon (Lea, 1834) | 
Diplodon paranensis funebralis (Lea, 1834) | 
Diplodon rhuacoicus (Orbigny, 1835) |
Diplodon wymanii uruguayensis (Lea, 1860) | 
Rhipidodonta funebralis peraeformis (Lea, 1860) | 
Rhipidodonta hylaea (Orbigny, 1835) | 
Rhipidodonta hylaea asuncionis (Marshall, 1922) | | | | |
