TaxNo: 398Irinoceras? sp.
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Prionoceratidae
|
| Subfamily: |
Prionoceratinae
|
| Genus: |
Irinoceras?
|
| Species: | sp. |
| Qualifier: | of |
| Author: |
Campbell & Engel 1963,p.85
|
| Lower Boundary: |
AUN Dangarfield Formation base, 350 million years
|
| Upper Boundary: |
AUN Namoi + Dangarfield top, 345.3 million years
|