Suborder:
|
Tornoceratina
|
Superfamily:
|
Prionoceratoidea
|
Family:
|
Gattendorfiidae
|
Genus:
|
Kazakhstania
|
Species:
|
americana |
Qualifier:
|
ss |
Author:
|
Miller & Garner 1955,p.129
|
Lower Boundary:
|
UMI Marshall Sdst.II base, 353 million years
|
Upper Boundary:
|
UMI Marshall Sdst.II top, 351 million years
|