Suborder:
|
Tornoceratina
|
Superfamily:
|
Prionoceratoidea
|
Family:
|
Gattendorfiidae
|
Genus:
|
Gattendorfia
|
Species:
|
alteri |
Qualifier:
|
ss |
Author:
|
Gutschick & Treckm.1957,p.1151
|
Lower Boundary:
|
UMO Northwiew Shale base, 353 million years
|
Upper Boundary:
|
UMO Northwiew Shale top, 352 million years
|