Children (7 direct children, 133 direct and indirect children):
Onchidoridoidea
(tree size 69)
Anadoridoidea
Gnathodoridoidea
Phyllidioidea
(tree size 3)
Polyceroidea
(tree size 42)
Casella
(tree size 9)
Eudoridoidea
(tree size 3)