TaxNo: 5398Genus Eoschistoceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Schistoceratoidea
|
| Family: |
Schistoceratidae
|
| Genus: | Eoschistoceras |
| Qualifier: | ge |
| Author: |
Ruzhencev 1952,p.914
|
| Lower Boundary: |
RUS Miachkovian--Zhigulian [MYA--ZHI], 306.5 million years
|
| Upper Boundary: |
RUS Zhigulian--Orenburgian [Ruzhentsev], 305 million years
|