TaxNo: 3613Changhsingoceras sichuanense
| Suborder: |
Goniatitina
|
| Superfamily: |
Cycloloboidea
|
| Family: |
Cyclolobidae
|
| Subfamily: |
Cyclolobinae
|
| Genus: |
Changhsingoceras
|
| Species: | sichuanense |
| Qualifier: | ss |
| Author: |
Zhao et al. 1978,p.79
|
| Lower Boundary: |
Paratirol./Shevyrev.--Pseudosteph./Tap., 253 million years
|
| Upper Boundary: |
Pseudosteph./Tap.--Pseudotir./Pleuron., 252.5 million years
|