• Source: Pleasant Hill Limestone
    • The Pleasant Hill Limestone is a geologic formation in Pennsylvania. It preserves fossils dating back to the Cambrian period.


      See also



      List of fossiliferous stratigraphic units in Pennsylvania
      Paleontology in Pennsylvania


      References


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

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