TaxNo: 2999Gastrioceras sp.
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Gastrioceratidae
|
| Genus: |
Gastrioceras
|
| Species: | sp. |
| Qualifier: | in |
| Author: |
div. authors
|
| Lower Boundary: |
RUS Nm2c2 top;Biling./Canc.--Bran./Gast., 313 million years
|
| Upper Boundary: |
U Morrowan (Bloydian)--Atokan[MOR--ATO], 310.4 million years
|