| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Muensteroceratidae
|
| Genus: |
Beyrichoceratoides
|
| Species: | sp.2 |
| Qualifier: | of |
| Author: |
Riley 1996,p.40
|
| Lower Boundary: |
Chadian--Arundian [V1a--V1b] [CHD--ARU], 344.5 million years
|
| Upper Boundary: |
Arundian--Holkerian [V2a--V2b][ARU--HLK], 340 million years
|
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