TaxNo: 2517Cravenoceras cowlingense
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: |
Cravenoceratidae
|
| Subfamily: |
Cravenoceratinae
|
| Genus: |
Cravenoceras
|
| Species: | cowlingense |
| Qualifier: | ss |
| Author: |
Bisat 1932,p.29
|
| Lower Boundary: |
GBY E1c--E2a1 (Crav.malham.--cowling.), 324 million years
|
| Upper Boundary: |
GBY E2a1--E2a2 (cowlingense--bisulcatum), 323.5 million years
|