Suborder:
|
Tornoceratina
|
Superfamily:
|
Prionoceratoidea
|
Family:
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Gattendorfiidae
|
Genus:
|
Gattendorfia
|
Species:
|
crassa aff. |
Qualifier:
|
af |
Author:
|
Librovitch 1940,p.45
|
Lower Boundary:
|
KAK Kassini base, 357.5 million years
|
Upper Boundary:
|
KAK Kassini top, 353 million years
|