TaxNo: 2639Fayettevillea planorbis+
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Glaphyritidae
|
| Subfamily: |
Fayettevilleinae
|
| Genus: |
Fayettevillea
|
| Species: | planorbis+ |
| Qualifier: | ss |
| Author: |
Gordon 1960,p.147
|
| Lower Boundary: |
UAR basal--lower shale of Fayetteville, 327 million years
|
| Upper Boundary: |
UAR upper Fayetteville--lower Pitkin, 324.3 million years
|