Children (15 direct children, 32 direct and indirect children):
Orcula dolium
(tree size 7)
Orcula fuchsi
Land snail
Orcula pseudodolium
Orcula austriaca
(tree size 4)
Orcula zilchi
Land snail
Orcula conica
Orcula dobrogica
Orcula gularis
(tree size 2)
Orcula jetschini
Orcula restituta
Orcula schmidtii
(tree size 2)
Orcula spoliata
Orcula tolminensis
Orcula wagneri
(tree size 2)
Orcula oviformis