TaxNo: 1344Prionoceras sp.
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Prionoceratidae
|
| Subfamily: |
Prionoceratinae
|
| Genus: |
Prionoceras
|
| Species: | sp. |
| Qualifier: | in |
| Author: |
div. authors
|
| Lower Boundary: |
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
| Upper Boundary: |
UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
|