TaxNo: 3057Genus Beyrichoceratoides
| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Muensteroceratidae
|
| Genus: | Beyrichoceratoides |
| Qualifier: | ge |
| Author: |
Bisat 1924,p.88
|
| Lower Boundary: |
Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
|
| Upper Boundary: |
DER Go beta falcatus--Go beta gracilis, 329.1 million years
|