Children (7 direct children, 2726 direct and indirect children):
Physidae
(tree size 407)
Lymnaeidae
(tree size 796)
Freshwater snails
Planorbidae
(tree size 1498)
Ramshorn snails
Ancylidae
(tree size 13)
Tribe ancylini
Clivunellidae
(tree size 5)
Bulinidae
Burnupiidae