TaxNo: 4872Stacheoceras tridens
| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Vidrioceratidae
|
| Genus: |
Stacheoceras
|
| Species: | tridens |
| Qualifier: | ss |
| Author: |
Rothpletz 1892,p.87
|
| Lower Boundary: |
RIT Amarassi beds base, 260.4 million years
|
| Upper Boundary: |
RIT Amarassi beds top, 258 million years
|