TaxNo: 2536Cravenoceras kettlesingense
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: |
Cravenoceratidae
|
| Subfamily: |
Cravenoceratinae
|
| Genus: |
Cravenoceras
|
| Species: | kettlesingense |
| Qualifier: | ss |
| Author: |
Bisat 1932,p.31
|
| Lower Boundary: |
Pendleian--Arnsbergian [PND--ARN], 324 million years
|
| Upper Boundary: |
DER E2a--E2b, 322.5 million years
|