TaxNo: 5590Genus Pseudaktubites
| Suborder: |
Goniatitina
|
| Superfamily: |
Shumarditoidea
|
| Family: |
Shumarditidae
|
| Genus: | Pseudaktubites |
| Qualifier: | ge |
| Author: |
Boardman et al. 1994,p.50
|
| Lower Boundary: |
UOK Coffeyville Fm. top, 305.9 million years
|
| Upper Boundary: |
RUS Zhigulian--Orenburgian [Ruzhentsev], 305 million years
|