Children (31 direct children, 35 direct and indirect children):
Helisoma anceps
(tree size 2)
Helisoma newberryi
(tree size 1)
Helisoma duryi
Helisoma trivolvis
Helisoma peruvianum
Helisoma eucosmium
Helisoma minus
Helisoma binneyi
(tree size 1)
Helisoma brevispira
Helisoma campanulatum
Helisoma corpulentum
Helisoma goodrichi
Helisoma hemphilli
Helisoma kennicotti
Helisoma kettlemanensis
Helisoma lincki
Helisoma llanerensis
Helisoma malheurense
Helisoma marshalli
Helisoma occidentale
Helisoma parallelum
Helisoma pilsbryi
Helisoma plexata
Helisoma sanctaeclarae
Helisoma sheyangensis
Helisoma shotwelli
Helisoma subcrenatum
Helisoma tenue
Helisoma travertina
Helisoma triangulatum
Helisoma valens