| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: |
Cravenoceratidae
|
| Subfamily: |
Cravenoceratinae
|
| Genus: | Emstites |
| Qualifier: | ge |
| Author: |
Korn 1988,p.140
|
| Lower Boundary: |
DER Go gamma 1-2,liethens.base,P2c base, 327.8 million years
|
| Upper Boundary: |
Pendleian--Arnsbergian [PND--ARN], 324 million years
|
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