TaxNo: 4338Nuculoceras tenuistriatum
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: |
Cravenoceratidae
|
| Subfamily: |
Nuculoceratinae
|
| Genus: |
Nuculoceras
|
| Species: | tenuistriatum |
| Qualifier: | ss |
| Author: |
Demanet 1941,p.129
|
| Lower Boundary: |
GBY E2b3--E2c1 C.nititoides--N.stellar.), 321 million years
|
| Upper Boundary: |
GBY E2c4--H1a(Nu.nuculum--I.subglobosum), 319 million years
|