Children (8 direct children, 1077 direct and indirect children):
Neritidae
(tree size 968)
Phenacolepadidae
(tree size 81)
Symmetrocapulidae
(tree size 1)
Pileolidae
(tree size 9)
Neridomidae
(tree size 4)
Parvulatopsidae
(tree size 2)
Otostomidae
Neritariidae
(tree size 4)