TaxNo: 186Zadelsdorfia asiatica+*
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Gattendorfiidae
|
| Genus: |
Zadelsdorfia
|
| Species: | asiatica+* |
| Qualifier: | ss |
| Author: |
Librovitch 1940,p.49
|
| Lower Boundary: |
KAK Kassini base, 357.5 million years
|
| Upper Boundary: |
KAK Kassini top, 353 million years
|