Spieden Formation

Spieden Formation
Stratigraphic range: Cretaceous
Type	Formation
Location
Region	Washington (state)
Country	United States

The Spieden Formation is a geologic formation in the US state of Washington. It preserves fossils dating back to the Cretaceous period.

See also

• List of fossiliferous stratigraphic units in Washington (state)
• Paleontology in Washington (state)

References

• Hendy, Austin (22 August 2008). "UWA A535 [Spieden Fm] (Cretaceous of the United States)". Fossilworks: Gateway to the Paleobiology Database. PaleoDB collection 83571