TaxNo: 1661Prionoceras? sp.2*
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Prionoceratidae
|
| Subfamily: |
Prionoceratinae
|
| Genus: |
Prionoceras?
|
| Species: | sp.2* |
| Qualifier: | of |
| Author: |
Chlupac & Zikmundova 1976,pl.1
|
| Lower Boundary: |
UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
|
| Upper Boundary: |
UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|