Children (8 direct children, 14 direct and indirect children):
Helicodonta obvoluta
(tree size 5)
Helicodonta angigyra
Helicodonta langhofferi
Helicodonta wilhelminae
Helicodonta evoluta
Helicodonta involutaeformis
Helicodonta planorbiformis
(tree size 1)
Helicodonta subinvoluta