+ Ammonoidea
8
+ Jura
7
+ Mesozoic
6
+ Jurassic
5
+ Aptychi
4
+ Birmenstorf member
4
+ Oxfordian
4
+ Vaud (Switzerland)
4
+ Ain (France)
3
+ Albian
3
+ Aspidoceratidae
3
+ Cretaceous
3
+ Laevaptychus
3
+ Mussel member
3
+ Ancyloceratina
1
+ Cardioceratidae
1
+ Cornaptychus
1
+ Turrilitoidea
1