TaxNo: 3071Nuculoceras? primitivum
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: |
Cravenoceratidae
|
| Subfamily: |
Nuculoceratinae
|
| Genus: |
Nuculoceras?
|
| Species: | primitivum |
| Qualifier: | ss |
| Author: |
Sheng 1983,p.63
|
| Lower Boundary: |
RUS Nm1a1 base, Hypergon.-Ferganoc. GZ, 327.8 million years
|
| Upper Boundary: |
RUS Nm1b2--Nm1c1,Fayettevillea-Delepinoc, 324 million years
|