Children (10 direct children, 36 direct and indirect children):
Cylindroteuthis
Belemnitina
(tree size 21)
Chalalabelus
Belemnotheutidae
(tree size 1)
Belemnoteuthididae
(tree size 1)
Belemnitellidae
(tree size 2)
Praeactinocamax
(tree size 1)
Mesohibolitidae
Sinobelemnitidae
Duvaliidae