TaxNo: 6007Family Nuculoceratidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: | Nuculoceratidae |
| Qualifier: | fy |
| Author: |
Ruzhencev 1957,p.58
|
| Valid: | Nuculoceratinae Rzuzhentsev,1957,p.58 |
| Lower Boundary: |
RUS Nm1a1 base, Hypergon.-Ferganoc. GZ, 327.8 million years
|
| Upper Boundary: |
Visean--Namurian/Serpukhovian [VIS--NAM], 326.4 million years
|