TaxNo: 3062Zhifangoceras zhifangense
| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Girtyoceratidae
|
| Subfamily: |
Sudeticeratinae
|
| Genus: |
Zhifangoceras
|
| Species: | zhifangense |
| Qualifier: | ss |
| Author: |
Sheng 1984,p.289
|
| Lower Boundary: |
Pericyclus BZ base [03.70], 353 million years
|
| Upper Boundary: |
Pericyclus--Fasciperic./Ammonellips.BZ, 348.5 million years
|