Children (7 direct children, 18 direct and indirect children):
Annuloceras
(tree size 1)
Aegocrioceras
(tree size 4)
Parancyloceras
(tree size 2)
Bejucoceras
(tree size 1)
Simancyloceras
(tree size 1)
Peltocrioceras
(tree size 1)
Hemicrioceras
(tree size 1)