TaxNo: 151Imitoceras discoidale
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Prionoceratidae
|
| Subfamily: |
Prionoceratinae
|
| Genus: |
Imitoceras
|
| Species: | discoidale |
| Qualifier: | ss |
| Author: |
Smith 1903, p.13
|
| Lower Boundary: |
UIA Wassonville Fm. base, 356 million years
|
| Upper Boundary: |
UIA Wassonville Fm. top, 353 million years
|