TaxNo: 5229Family Perrinitidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Shumarditoidea
|
| Family: | Perrinitidae |
| Qualifier: | fa |
| Author: |
Miller & Furnish 1940,p.137
|
| Lower Boundary: |
Gzhelian--Asselian [C--P], 299 million years
|
| Upper Boundary: |
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|