TaxNo: 218Zadelsdorfia andrewsi
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Gattendorfiidae
|
| Genus: |
Zadelsdorfia
|
| Species: | andrewsi |
| Qualifier: | ss |
| Author: |
Winchell 1870,p.259
|
| Lower Boundary: |
UOH Logan Fm. base, 357.5 million years
|
| Upper Boundary: |
UOH Logan Fm. top, 353 million years
|