TaxNo: 6604Imitoceras tardum
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Prionoceratidae
|
| Subfamily: |
Prionoceratinae
|
| Genus: |
Imitoceras
|
| Species: | tardum |
| Qualifier: | ss |
| Author: |
Work & Nassichuk 2000,p.31
|
| Lower Boundary: |
GBY lower--upper Chadian [CHD], 345.3 million years
|
| Upper Boundary: |
Chadian--Arundian [V1a--V1b] [CHD--ARU], 344.5 million years
|