TaxNo: 2594Beyrichoceras? foraminosum
| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Maxigoniatitidae
|
| Genus: |
Beyrichoceras?
|
| Species: | foraminosum |
| Qualifier: | sn |
| Author: |
Phillips 1836,p.234
|
| Lower Boundary: |
Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
|
| Upper Boundary: |
DER Go alpha 3--Go alpha 4 [13.00], 332 million years
|