Children (7 direct children, 76 direct and indirect children):
Semisulcospira
(tree size 44)
Hua
(tree size 17)
Hua (gastropod)
Koreoleptoxis
(tree size 6)
Namrutua
(tree size 1)
Senckenbergia
(tree size 1)
Biwamelania
Koreanomelania