TaxNo: 2643Girtyoceras welleri
| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Girtyoceratidae
|
| Subfamily: |
Girtyoceratinae
|
| Genus: |
Girtyoceras
|
| Species: | welleri |
| Qualifier: | ss |
| Author: |
Gordon 1965,p.233
|
| Lower Boundary: |
UAR Lower Moorefield base, 333 million years
|
| Upper Boundary: |
UAR Upper Moorefield top, 329.4 million years
|