TaxNo: 4642Anthracoceras? atratus
| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Anthracoceratidae
|
| Genus: |
Anthracoceras?
|
| Species: | atratus |
| Qualifier: | ss |
| Author: |
Beyrich 1837,p.16
|
| Lower Boundary: |
Arnsbergian--Chokierian [ARN--CHO], 319 million years
|
| Upper Boundary: |
Chokierian--Alportian [CHO--ALP], 317.7 million years
|