TaxNo: 4015Genus Arcanoceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Eogonioloboceratidae
|
| Genus: | Arcanoceras |
| Qualifier: | ge |
| Author: |
Ruzhencev 1965,p.10
|
| Lower Boundary: |
Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
|
| Upper Boundary: |
Arnsbergian--Chokierian [ARN--CHO], 319 million years
|