TaxNo: 2054Emstites? umbilicus
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: |
Cravenoceratidae
|
| Subfamily: |
Cravenoceratinae
|
| Genus: |
Emstites?
|
| Species: | umbilicus |
| Qualifier: | ss |
| Author: |
Roemer 1955,p.150
|
| Lower Boundary: |
DER Go gamma 1-2,liethens.base,P2c base, 327.8 million years
|
| Upper Boundary: |
DER lowest E1--E1 alpha, 326 million years
|