TaxNo: 5869Genus Guiyangoceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Cyclolobidae
|
| Subfamily: |
Kufengoceratinae
|
| Genus: | Guiyangoceras |
| Qualifier: | ge |
| Author: |
Zhou 1985,p.196
|
| Lower Boundary: |
Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years
|
| Upper Boundary: |
lower Capitanian--upper Capitanian, 263 million years
|