TaxNo: 5216Genus Eothalassoceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Thalassoceratoidea
|
| Family: |
Thalassoceratidae
|
| Subfamily: |
Thalassoceratinae
|
| Genus: | Eothalassoceras |
| Qualifier: | ge |
| Author: |
Miller & Furnish 1940,p.105
|
| Lower Boundary: |
Moscovian--Kasimovian [MOS--KAS], 306.5 million years
|
| Upper Boundary: |
U Missourian--Virgilian [MIS--VIR], 305 million years
|