TaxNo: 2755Zephyroceras asturicum+
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Glaphyritidae
|
| Subfamily: |
Fayettevilleinae
|
| Genus: |
Zephyroceras
|
| Species: | asturicum+ |
| Qualifier: | ss |
| Author: |
Kullmann 1962,p.316
|
| Lower Boundary: |
ESC Grey Marl Alba Fm. base, 324 million years
|
| Upper Boundary: |
ESC Grey Marl Alba Fm. top, 321 million years
|