LocNo: 6149Dalong Fm.
| Country: |
China
|
| Province: |
Guizhou
|
| Locality: |
Guanning, Yongningzheng
|
| Layer: | Dalong Fm. |
| Lower Boundary: |
Pseudosteph./Tap.--Pseudotir./Pleuron., 252.5 million years
|
| Upper Boundary: |
Rotodiscoceras top, 251.5 million years
|
| Georeference: |