TaxNo: 4920Liuzhouceras shengi+
| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Cyclolobidae
|
| Subfamily: |
Kufengoceratinae
|
| Genus: |
Liuzhouceras
|
| Species: | shengi+ |
| Qualifier: | ss |
| Author: |
Chao 1955,p.140
|
| Lower Boundary: |
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|
| Upper Boundary: |
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|