TaxNo: 5461Allothalassoceras sangvorense
| Suborder: |
Goniatitina
|
| Superfamily: |
Thalassoceratoidea
|
| Family: |
Thalassoceratidae
|
| Subfamily: |
Thalassoceratinae
|
| Genus: |
Allothalassoceras
|
| Species: | sangvorense |
| Qualifier: | ss |
| Author: |
Leonova 1992,p.143
|
| Lower Boundary: |
Sygar Fm.--Chelamchin Fm., 275.6 million years
|
| Upper Boundary: |
Chelamchin Fm. top, 270.6 million years
|