The Willoughby Limestone is a geologic formation in Alaska. It preserves fossils dating back to the Silurian period.

Willoughby Limestone
Stratigraphic range: Silurian
TypeFormation
Location
RegionAlaska
CountryUnited States

See also

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References

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