TaxNo: 5907Genus Neogeoceras
| Suborder: |
Prolecanitina
|
| Superfamily: |
Medlicottioidea
|
| Family: |
Medlicottiidae
|
| Subfamily: |
Medlicottiinae
|
| Genus: | Neogeoceras |
| Qualifier: | ge |
| Author: |
Ruzhencev 1947,p.641
|
| Lower Boundary: |
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|
| Upper Boundary: |
Wuchiapingian--Changhsingian [DZH--CHX], 253.8 million years
|