TaxNo: 5547Family Gastrioceratidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: | Gastrioceratidae |
| Qualifier: | fa |
| Author: |
Hyatt 1884,p.325
|
| Lower Boundary: |
RUS Nm2b3--Nm2c1,Bilinguites-Cancelloc.G, 314.8 million years
|
| Upper Boundary: |
Moscovian--Kasimovian [MOS--KAS], 306.5 million years
|