TaxNo: 2585Eumorphoceras beta
| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Girtyoceratidae
|
| Subfamily: |
Girtyoceratinae
|
| Genus: |
Eumorphoceras
|
| Species: | beta |
| Qualifier: | ss |
| Author: |
Riley 1987,p.31
|
| Lower Boundary: |
GBY E2c2--E2c3, 320 million years
|
| Upper Boundary: |
GBY E2c3-E2c4, 319.5 million years
|