TaxNo: 4870Stacheoceras tridens forma delta
| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Vidrioceratidae
|
| Genus: |
Stacheoceras
|
| Species: | tridens forma delta |
| Qualifier: | ss |
| Author: |
Haniel 1915,p.104
|
| Lower Boundary: |
RIT Bitauni beds base, 275.6 million years
|
| Upper Boundary: |
RIT Bitauni beds top, 270.6 million years
|