TaxNo: 2545Nomismoceras spirorbis
| Suborder: |
Goniatitina
|
| Superfamily: |
Nomismoceratoidea
|
| Family: |
Nomismoceratidae
|
| Genus: |
Nomismoceras
|
| Species: | spirorbis |
| Qualifier: | sy |
| Author: |
Phillips 1836,p.237
|
| Valid: |
Nomismoceras vittiger (Phillips 1836) TAX2026 |
| Lower Boundary: |
Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
|
| Upper Boundary: |
DER Go alpha 3--Go alpha 4 [13.00], 332 million years
|