TaxNo: 4569Biarmiceras tumarense*
| Suborder: |
Goniatitina
|
| Superfamily: |
Popanoceratoidea
|
| Family: |
Mongoloceratidae
|
| Genus: |
Biarmiceras
|
| Species: | tumarense* |
| Qualifier: | ss |
| Author: |
Ruzhencev 1961,p.60
|
| Lower Boundary: |
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|
| Upper Boundary: |
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|