|
Country:
|
Great Britain
|
|
Province:
|
Wales
|
|
Locality:
|
Knighton, not recorded
|
|
Layer:
|
Fascipericyclus-Ammonoellipsites zone |
|
Lower Boundary:
|
IRL Lower Limestone base, 350 million years
|
|
Upper Boundary:
|
IRL Lower Limestone top, 345.3 million years
|
|
Georeference:
|
|