1955 Gattendorfia stummi Miller & Garner, p.125, pl.6
fig.6,7.
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Gattendorfiidae
|
| Genus: |
Zadelsdorfia
|
| Species: | stummi |
| Qualifier: | ss |
| Author: |
Miller & Garner 1955,p.125
|
| Lower Boundary: |
UMI Marshall Sdst.II base, 353 million years
|
| Upper Boundary: |
UMI Marshall Sdst.II top, 351 million years
|