TaxNo: 4615Family Sygambritidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Goniatitoidea
|
| Family: | Sygambritidae |
| Qualifier: | fy |
| Author: |
Korn 1988,p.138
|
| Valid: |
Fam. Goniatitidae (TAX4601) |
| Lower Boundary: |
DER Go alpha 3--Go alpha 4 [13.00], 332 million years
|
| Upper Boundary: |
DER lowest E1--E1 alpha, 326 million years
|