TaxNo: 3770Family Karagandoceratidae
| Suborder: |
Tornoceratina
|
| Superfamily: |
Karagandoceratoidea
|
| Family: | Karagandoceratidae |
| Qualifier: | fa |
| Author: |
Librovitch 1957,p.264
|
| Lower Boundary: |
Devonian--Carboniferous Boundary [DCB], 359.2 million years
|
| Upper Boundary: |
mid.Tournais.--up.Tournaisian [Tn2--Tn3], 353 million years
|