TaxNo: 2510Cravenoceras malhamense aff.
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: |
Cravenoceratidae
|
| Subfamily: |
Cravenoceratinae
|
| Genus: |
Cravenoceras
|
| Species: | malhamense aff. |
| Qualifier: | af |
| Author: |
Horn 1960,p.335
|
| Lower Boundary: |
DER lowest E1--E1 alpha, 326 million years
|
| Upper Boundary: |
GBY E1b -- E1c; DER E1 alpha -- E1 beta, 325 million years
|