TaxNo: 5355Genus Prostacheoceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Vidrioceratidae
|
| Genus: | Prostacheoceras |
| Qualifier: | ge |
| Author: |
Ruzhencev 1937,p.410
|
| Lower Boundary: |
Gzhelian--Asselian [C--P], 299 million years
|
| Upper Boundary: |
Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years
|