TaxNo: 5676Genus Discoclymenia
| Suborder: |
Tornoceratina
|
| Superfamily: |
Tornoceratoidea
|
| Family: |
Posttornoceratidae
|
| Genus: | Discoclymenia |
| Qualifier: | ge |
| Author: |
Hyatt 1884, p.314
|
| Lower Boundary: |
UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|
| Upper Boundary: |
UD6E--UD6F:Cym.nigra--A.prorsum [19,40], 360 million years
|