| Suborder: |
Goniatitina
|
| Superfamily: |
Gonioloboceratoidea
|
| Family: |
Gonioloboceratidae
|
| Genus: | Gonioloboceratoides |
| Qualifier: | ge |
| Author: |
Nassichuk 1975,p.74
|
| Lower Boundary: |
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|
| Upper Boundary: |
UMO Cherokee Shale top, 307.4 million years
|
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