Pisidium
(tree size 260)
Sphaerium
(tree size 128)
Euglesa
(tree size 40)
Afropisidium
(tree size 13)
Clessinicyclas
Corneocyclas
(tree size 2)
Cyclocalyx
(tree size 1)
Odhneripisidium
(tree size 21)
Zecyclas