TaxNo: 5994Genus Akeshakeceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Pericycloidea
|
| Family: |
Muensteroceratidae
|
| Genus: | Akeshakeceras |
| Qualifier: | gn |
| Author: |
Liang & Wang 1991,p.80
|
| Lower Boundary: |
RUN Kos'vinskii gorizont base, 349 million years
|
| Upper Boundary: |
RUN Nortnichskiy gorizont top, 339 million years
|