TaxNo: 6080Genus Raymondiceras
| Suborder: |
Tornoceratina
|
| Superfamily: |
Dimeroceratoidea
|
| Family: |
Cheiloceratidae
|
| Genus: | Raymondiceras |
| Qualifier: | ge |
| Author: |
Schindewolf 1934,p.336
|
| Lower Boundary: |
UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
|
| Upper Boundary: |
UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
|