Children (9 direct children, 148 direct and indirect children):
Partschiceras
(tree size 7)
Phylloceras
(tree size 46)
Calliphylloceras
(tree size 13)
Sowerbyceras
(tree size 2)
Phylloceratinae
(tree size 56)
Calliphylloceratinae
(tree size 15)
Macrophylloceras
Phyllopachyceratinae
Ptychophylloceratinae