TaxNo: 5222Family Shumarditidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Shumarditoidea
|
| Family: | Shumarditidae |
| Qualifier: | fa |
| Author: |
Plummer & Scott 1937,p.287
|
| Lower Boundary: |
Moscovian--Kasimovian [MOS--KAS], 306.5 million years
|
| Upper Boundary: |
Gzhelian--Asselian [C--P], 299 million years
|