TaxNo: 6678Prostacheoceras shaoyangense
| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Vidrioceratidae
|
| Genus: |
Prostacheoceras
|
| Species: | shaoyangense |
| Qualifier: | ss |
| Author: |
Zhou 1987,p.331
|
| Lower Boundary: |
CN South Chihsia--Maokou, 268 million years
|
| Upper Boundary: |
CN South Maokou top--Wuchiapingian base, 260.4 million years
|