TaxNo: 4786Arcanoceras? declive
| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Eogonioloboceratidae
|
| Genus: |
Arcanoceras?
|
| Species: | declive |
| Qualifier: | sn |
| Author: |
Wagner-Gentis 1971,p.655
|
| Lower Boundary: |
Pendleian--Arnsbergian [PND--ARN], 324 million years
|
| Upper Boundary: |
Arnsbergian--Chokierian [ARN--CHO], 319 million years
|