TaxNo: 707Family Gattendorfiidae
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: | Gattendorfiidae |
| Qualifier: | fa |
| Author: |
Bartzsch & Weyer 1987,p.61
|
| Lower Boundary: |
UD6E--UD6F:Cym.nigra--A.prorsum [19,40], 360 million years
|
| Upper Boundary: |
U Kinderhookian--Osagean [KIH--OSA], 353 million years
|