Children (10 direct children, 70 direct and indirect children):
Nautilus
(tree size 35)
Nautilus (genus)
Allonautilus
(tree size 2)
Cenoceras
(tree size 2)
Eutrephoceras
(tree size 18)
Carinonautilus
Strionautilus
Pseudocenoceras
(tree size 2)
Stenzeloceras
(tree size 1)
Nautilinae
Sinautilus