TaxNo: 4180Neogeoceras macnairi
| Suborder: |
Prolecanitina
|
| Superfamily: |
Medlicottioidea
|
| Family: |
Medlicottiidae
|
| Subfamily: |
Medlicottiinae
|
| Genus: |
Neogeoceras
|
| Species: | macnairi |
| Qualifier: | ss |
| Author: |
Nassichuk et al. 1965,p.48
|
| Lower Boundary: |
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|
| Upper Boundary: |
Capitanian--Wuchiapingian [CAP--DZH], 260.4 million years
|