TaxNo: 6257Eonomismoceras planum
| Suborder: |
Goniatitina
|
| Superfamily: |
Nomismoceratoidea
|
| Family: |
Nomismoceratidae
|
| Genus: |
Eonomismoceras
|
| Species: | planum |
| Qualifier: | ss |
| Author: |
Riley 1996,p.29
|
| Lower Boundary: |
GBY lower--upper Chadian [CHD], 345.3 million years
|
| Upper Boundary: |
Chadian--Arundian [V1a--V1b] [CHD--ARU], 344.5 million years
|