TaxNo: 6447Genus Ningxiaceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Gonioloboceratoidea
|
| Family: |
Wiedeyoceratidae
|
| Genus: | Ningxiaceras |
| Qualifier: | ge |
| Author: |
Yang 1987,p.158
|
| Lower Boundary: |
Serpukhovian--Bashkirian [SPK--BSH], 318.1 million years
|
| Upper Boundary: |
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|