TaxNo: 4517Prostacheoceras strictum
| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Vidrioceratidae
|
| Genus: |
Prostacheoceras
|
| Species: | strictum |
| Qualifier: | ss |
| Author: |
Bogoslovskaya 1978,p.63
|
| Lower Boundary: |
Gzhelian--Asselian [C--P], 299 million years
|
| Upper Boundary: |
Asselian--Sakmarian [ASS--SAK], 294.6 million years
|