TaxNo: 5431Genus Costamanticoceras
| Suborder: |
Anarcestina
|
| Superfamily: |
Beloceratoidea
|
| Family: |
Gephuroceratidae
|
| Subfamily: |
Gephuroceratinae
|
| Genus: | Costamanticoceras |
| Qualifier: | ge |
| Author: |
Becker & House 1993,p.112
|
| Lower Boundary: |
UD1H--UD1I:tenuistr.--P.tripart. [03,50], 378.1 million years
|
| Upper Boundary: |
UD1J--UD1K:paradox.--A.varicosum [04,85], 376.9 million years
|