TaxNo: 6906Family Kirsoceratidae
| Suborder: |
Tornoceratina
|
| Superfamily: |
Tornoceratoidea
|
| Family: | Kirsoceratidae |
| Qualifier: | fa |
| Author: |
Korn & Klug 2002,p.164
|
| Lower Boundary: |
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
| Upper Boundary: |
UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
|