Children (8 direct children, 469 direct and indirect children):
Gymnitidae
(tree size 89)
Sibiritidae
(tree size 90)
Hungaritidae
(tree size 14)
Acrochordiceratidae
(tree size 56)
Ceratitidae
(tree size 185)
Tirolitidae
(tree size 22)
Badiotitidae
(tree size 4)
Rimkinitidae
(tree size 1)