TaxNo: 3388Schistoceras? montgomeryense
| Suborder: |
Goniatitina
|
| Superfamily: |
Schistoceratoidea
|
| Family: |
Schistoceratidae
|
| Genus: |
Schistoceras?
|
| Species: | montgomeryense |
| Qualifier: | ss |
| Author: |
Miller & Gurley 1896,p.38
|
| Lower Boundary: |
UTX Graford Fm.--Brad Fm., 305.3 million years
|
| Upper Boundary: |
UTX Graham Fm. top, 301 million years
|