TaxNo: 3024Genus Karagandoceras
| Suborder: |
Tornoceratina
|
| Superfamily: |
Karagandoceratoidea
|
| Family: |
Karagandoceratidae
|
| Genus: | Karagandoceras |
| Qualifier: | ge |
| Author: |
Librovitch 1940,p.88
|
| Lower Boundary: |
low.Tournais.--mid.Tournais. [Tn1--Tn2], 357.5 million years
|
| Upper Boundary: |
mid.Tournais.--up.Tournaisian [Tn2--Tn3], 353 million years
|