Children (30 direct children, 738 direct and indirect children):
Helicina
(tree size 246)
Alcadia
(tree size 47)
Pleuropoma
(tree size 50)
Orobophana
(tree size 33)
Emoda
(tree size 10)
Geophorus
(tree size 15)
Glyptemoda
Lucidella
(tree size 42)
Ogasawarana
(tree size 17)
Priotrochatella
(tree size 5)
Semitrochatella
(tree size 5)
Sturanyella
(tree size 4)
Troschelviana
Ustronia
(tree size 7)
Hendersonia
(tree size 1)
Oligyra
(tree size 7)
Hendersoniinae
(tree size 3)
Vianinae
(tree size 22)
Helicininae
(tree size 90)
Ceratodiscinae
(tree size 4)
Dimorphoptychiinae
(tree size 4)
Sturanya
(tree size 39)
Bourcierinae
Stoastomatinae
(tree size 7)
Eutrochatella
(tree size 23)
Bourciera
(tree size 2)
Palaeohelicina
(tree size 25)
Eohipptychia
Pachytoma
Helicina tenuis