| Country: |
Great Britain
|
| Province: |
England,Lancashire
|
| Locality: |
Dinckley, River Ribble
|
| Layer: | P1c, 12feet above elegans |
| Lower Boundary: |
DER Go beta falcatus--Go beta gracilis, 329.1 million years
|
| Upper Boundary: |
DER Go beta gracilis Z.--spirale Z. [13., 328.8 million years
|
| Georeference: |