TaxNo: 4254Gastrioceras depressum
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Gastrioceratidae
|
| Genus: |
Gastrioceras
|
| Species: | depressum |
| Qualifier: | ss |
| Author: |
Delépine 1937,p.38
|
| Lower Boundary: |
Duckmantian--Bolsovian, Westphal.B--C, 310.6 million years
|
| Upper Boundary: |
DER Westphalian C1--Westphalian C2, 310 million years
|