Children (7 direct children, 58 direct and indirect children):
Polyptychoceras
(tree size 1)
Polyptychoceratinae
(tree size 18)
Diplomoceratinae
(tree size 29)
Neocrioceras
(tree size 1)
Phylloptychoceras
(tree size 2)
Neoglyptoxoceras
Rhyoptychoceras