TaxNo: 3401Pseudaktubites stainbrooki+
| Suborder: |
Goniatitina
|
| Superfamily: |
Shumarditoidea
|
| Family: |
Shumarditidae
|
| Genus: |
Pseudaktubites
|
| Species: | stainbrooki+ |
| Qualifier: | ss |
| Author: |
Plummer & Scott 1937,p.292
|
| Lower Boundary: |
Pseudaktubites Z.,Virgilian base, 305 million years
|
| Upper Boundary: |
UTX Caddo Creek Fm.--Graham Fm., 304.3 million years
|