TaxNo: 1423Ponticeras? costulatum
| Suborder: |
Anarcestina
|
| Superfamily: |
Beloceratoidea
|
| Family: |
Acanthoclymeniidae
|
| Genus: |
Ponticeras?
|
| Species: | costulatum |
| Qualifier: | ss |
| Author: |
Petter 1959,p.156
|
| Lower Boundary: |
AUW Frasnian A base, 385.8 million years
|
| Upper Boundary: |
AUW Frasnian A--B, 384.6 million years
|