TaxNo: 5646Genus Aulatornoceras
| Suborder: |
Tornoceratina
|
| Superfamily: |
Tornoceratoidea
|
| Family: |
Tornoceratidae
|
| Subfamily: |
Aulatornoceratinae
|
| Genus: | Aulatornoceras |
| Qualifier: | ge |
| Author: |
Schindewolf 1922,p.188
|
| Lower Boundary: |
mid.--up.varcus Zone [17,00], 389 million years
|
| Upper Boundary: |
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|