Children (8 direct children, 272 direct and indirect children):
Huananoceratidae
(tree size 10)
Liuchengoceratidae
(tree size 9)
Melagathiceratidae
(tree size 59)
Pleuronodoceratidae
(tree size 44)
Pseudotirolitidae
(tree size 42)
Tapashanitidae
(tree size 30)
Xenoceltitidae
(tree size 34)
Paraceltitidae
(tree size 36)