TaxNo: 5864Genus Preshumardites
| Suborder: |
Goniatitina
|
| Superfamily: |
Shumarditoidea
|
| Family: |
Shumarditidae
|
| Genus: | Preshumardites |
| Qualifier: | ge |
| Author: |
Plummer & Scott 1937,p.288
|
| Lower Boundary: |
U Desmoinesian--Missourian [DES--MIS], 306.5 million years
|
| Upper Boundary: |
U Missourian--Virgilian [MIS--VIR], 305 million years
|