TaxNo: 2710Cluthoceras involutum
| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Muensteroceratidae
|
| Genus: |
Cluthoceras
|
| Species: | involutum |
| Qualifier: | ss |
| Author: |
Pareyn 1961,p.126
|
| Lower Boundary: |
DZA Saoura S4a--S4b, 325.5 million years
|
| Upper Boundary: |
DZA Saoura S4b--S4c, 324 million years
|