TaxNo: 3888Thalassoceras ulkense
| Suborder: |
Goniatitina
|
| Superfamily: |
Thalassoceratoidea
|
| Family: |
Thalassoceratidae
|
| Subfamily: |
Thalassoceratinae
|
| Genus: |
Thalassoceras
|
| Species: | ulkense |
| Qualifier: | ss |
| Author: |
Ruzhencev 1952,p.61
|
| Lower Boundary: |
Asselian--Sakmarian [ASS--SAK], 294.6 million years
|
| Upper Boundary: |
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|