TaxNo: 1214Puncticeras? ultimum
| Suborder: |
Tornoceratina
|
| Superfamily: |
Dimeroceratoidea
|
| Family: |
Cheiloceratidae
|
| Genus: |
Puncticeras?
|
| Species: | ultimum |
| Qualifier: | ss |
| Author: |
Schindewolf 1923,p.318
|
| Lower Boundary: |
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
| Upper Boundary: |
UD2H--UD2I:(mamilliferum base) [12,90], 370 million years
|