TaxNo: 7019Genus Umbosporadoceras
| Suborder: |
Tornoceratina
|
| Superfamily: |
Praeglyphioceratoidea
|
| Family: |
Sporadoceratidae
|
| Genus: | Umbosporadoceras |
| Qualifier: | gn |
| Author: |
Becker 2002,p.181
|
| Valid: |
probably Sporadoceras: TAX5826 |
| Lower Boundary: |
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
| Upper Boundary: |
UD3A--UD3B:(P.pseudogoniat.base) [13,80], 368.8 million years
|