TaxNo: 5728Family Clistoceratidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: | Clistoceratidae |
| Qualifier: | fy |
| Author: |
Ruzhencev 1975,p.33
|
| Valid: | Stenoglaphyritinae Ruzhentsev & Bog.1971 |
| Lower Boundary: |
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|
| Upper Boundary: |
U Atokan--Desmoinesian [ATO--DES], 308.6 million years
|