TaxNo: 4632Popanoceras tridens forma zeta
| Suborder: |
Goniatitina
|
| Superfamily: |
Popanoceratoidea
|
| Family: |
Popanoceratidae
|
| Genus: |
Popanoceras
|
| Species: | tridens forma zeta |
| Qualifier: | sy |
| Author: |
Haniel 1915,p.105
|
| Valid: | Stacheoceras tridens (Rothpletz,1892) |
| Lower Boundary: |
RIT Basleo beds base, 270.6 million years
|
| Upper Boundary: |
RIT Basleo beds top, 267.5 million years
|