Jump to content

Hailey Shales Formation

From Wikipedia, the free encyclopedia
Hailey Shales Formation
Stratigraphic range: Cretaceous
TypeFormation
Location
RegionWyoming
CountryUnited States

The Hailey Shales Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Cretaceous period.Plesiopleurodon was found in this formation.

See also

[edit]

References

[edit]
  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 17 December 2021.