TaxNo: 5832Family Praeglyphioceratidae
| Suborder: |
Tornoceratina
|
| Superfamily: |
Praeglyphioceratoidea
|
| Family: | Praeglyphioceratidae |
| Qualifier: | fa |
| Author: |
Ruzhencev 1957,p.57
|
| Lower Boundary: |
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
| Upper Boundary: |
UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
|