TaxNo: 4833Genus Nuculoceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: |
Cravenoceratidae
|
| Subfamily: |
Nuculoceratinae
|
| Genus: | Nuculoceras |
| Qualifier: | ge |
| Author: |
Bisat 1924,p.100
|
| Lower Boundary: |
RUS Nm1a1 base, Hypergon.-Ferganoc. GZ, 327.8 million years
|
| Upper Boundary: |
Arnsbergian--Chokierian [ARN--CHO], 319 million years
|