Arctomercaticeras
Meneghinia
Pseudoarieticeras
Protoarieticeras
Seguenziceras
Geczya
Leptaleoceras
(tree size 5)
Ugdulenia
Emaciaticeras
(tree size 4)
Naxensiceras
Oregonites
(tree size 1)
Tauromeniceras
(tree size 2)
Neoamaciaticeras
Canavaria
(tree size 1)
Mauretaniaceras
(tree size 1)
Fontanelliceras
(tree size 1)