Allt Ddu Formation
| Allt Ddu Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Formation |
| Location | |
| Region | Wales |
| Country |  United Kingdom |
The Allt Ddu Formation is a geologic formation in Wales. It preserves fossils dating back to the Ordovician period.
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 8 July 2014.
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