TaxNo: 5226Genus Shumardites
| Suborder: |
Goniatitina
|
| Superfamily: |
Shumarditoidea
|
| Family: |
Shumarditidae
|
| Genus: | Shumardites |
| Qualifier: | ge |
| Author: |
Smith 1903,p.134
|
| Lower Boundary: |
UTX Graford Fm.--Brad Fm., 305.3 million years
|
| Upper Boundary: |
Gzhelian--Asselian [C--P], 299 million years
|