The Onny Shale is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.

Onny Shale
Stratigraphic range: Ordovician
TypeFormation
Lithology
PrimaryShale
Location
RegionWales
Country United Kingdom

See also edit

References edit

  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.