Children (22 direct children, 8387 direct and indirect children):
Ficidae
(tree size 65)
Cassoidea
(tree size 520)
Cypraeoidea
(tree size 2342)
Cowries and cowry allies
Stromboidea
(tree size 184)
Cingulopsoidea
Littorinoidea
(tree size 1397)
Vanikoroidea
(tree size 49)
Rissooidea
(tree size 1285)
Xenophoroidea
(tree size 3)
Truncatelloidea
(tree size 820)
Velutinoidea
Emblandidae
(tree size 2)
Pelycidiidae
(tree size 20)
Tonnoidea
(tree size 481)
Laubierinoidea
Ficoidea
Calyptraeoidea
(tree size 4)
Naticoidea
(tree size 1190)
Sakarahellidae
(tree size 2)
Capuloidea
(tree size 1)
Vermetoidea
Hipponicacea