Spieden Formation
| Spieden Formation Stratigraphic range: Cretaceous | |
|---|---|
| Type | Formation |
| Location | |
| Region | Washington (state) |
| Country | United States |
The Spieden Formation is a geologic formation in Washington (state). It preserves fossils dating back to the Cretaceous period.
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 8 July 2014.
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