LocNo: 130Fern Glen Formation
| Country: |
USA
|
| Province: |
Missouri, St.Louis County
|
| Locality: |
Fern Glen
|
| Layer: | Fern Glen Formation |
| Lower Boundary: |
UIL Fern Glen Fm. base, 349 million years
|
| Upper Boundary: |
UIL Fern Glen Fm. top, 339 million years
|
| Georeference: |