TaxNo: 2859Shumardites aktubensis
| Suborder: |
Goniatitina
|
| Superfamily: |
Shumarditoidea
|
| Family: |
Shumarditidae
|
| Genus: |
Shumardites
|
| Species: | aktubensis |
| Qualifier: | ss |
| Author: |
Ruzhencev 1950,p.177
|
| Lower Boundary: |
RUS Zhigulian--Orenburgian [Ruzhentsev], 305 million years
|
| Upper Boundary: |
Gzhelian--Asselian [C--P], 299 million years
|