TaxNo: 5799Family Posttornoceratidae
| Suborder: |
Tornoceratina
|
| Superfamily: |
Tornoceratoidea
|
| Family: | Posttornoceratidae |
| Qualifier: | fa |
| Author: |
Bogoslovsky 1962,p.359
|
| Lower Boundary: |
UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
|
| Upper Boundary: |
UD6E--UD6F:Cym.nigra--A.prorsum [19,40], 360 million years
|