TaxNo: 157Zadelsdorfia? minusculum
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Prionoceratidae
|
| Subfamily: |
Gattendorfiinae
|
| Genus: |
Zadelsdorfia?
|
| Species: | minusculum |
| Qualifier: | ss |
| Author: |
Miller & Collinson 1951,p.470
|
| Lower Boundary: |
UMO Northwiew Shale base, 353 million years
|
| Upper Boundary: |
UMO Northwiew Shale top, 352 million years
|