Children (8 direct children, 708 direct and indirect children):
Octopodidae
(tree size 592)
Argonautidae
(tree size 53)
Bolitaenidae
(tree size 16)
Bolitaeninae
Idioctopodidae
(tree size 2)
Argonautoida
(tree size 6)
Amphitretidae
(tree size 13)
Argonautoidea
(tree size 11)
Octopodoidea
(tree size 7)