TaxNo: 2913Schistoceras missouriense+*
| Suborder: |
Goniatitina
|
| Superfamily: |
Schistoceratoidea
|
| Family: |
Schistoceratidae
|
| Genus: |
Schistoceras
|
| Species: | missouriense+* |
| Qualifier: | ss |
| Author: |
Miller & Faber 1892,p.164
|
| Lower Boundary: |
UTX Graford Shale base, 305.6 million years
|
| Upper Boundary: |
UTX Graham Fm. top, 301 million years
|