TaxNo: 5430Genus Maternoceras
| Suborder: |
Anarcestina
|
| Superfamily: |
Beloceratoidea
|
| Family: |
Gephuroceratidae
|
| Subfamily: |
Gephuroceratinae
|
| Genus: | Maternoceras |
| Qualifier: | ge |
| Author: |
Clausen 1971,p.196
|
| Lower Boundary: |
UD1E--UD1F:P.luth.--P.alveolatus [02,30], 381.1 million years
|
| Upper Boundary: |
UD1J--UD1K:paradox.--A.varicosum [04,85], 376.9 million years
|