TaxNo: 2170Girtyoceras meslerianum+
| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Girtyoceratidae
|
| Subfamily: |
Girtyoceratinae
|
| Genus: |
Girtyoceras
|
| Species: | meslerianum+ |
| Qualifier: | ss |
| Author: |
Girty 1909,p.66
|
| Lower Boundary: |
UAR basal--lower shale of Fayetteville, 327 million years
|
| Upper Boundary: |
UAR upper Fayetteville--lower Pitkin, 324.3 million years
|