TaxNo: 4348Cravenoceras vetum
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: |
Cravenoceratidae
|
| Subfamily: |
Cravenoceratinae
|
| Genus: |
Cravenoceras
|
| Species: | vetum |
| Qualifier: | ss |
| Author: |
Patteisky 1936,p.11
|
| Lower Boundary: |
DER lowest E1--E1 alpha, 326 million years
|
| Upper Boundary: |
Pendleian--Arnsbergian [PND--ARN], 324 million years
|