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(Click Photo to Enlarge)
Name: Protolimulus eriensis
Geologic Age: Upper Devonian
Location: Chadak formation, Erie County, Pennsylvania
Comments: This is an extremely rare horseshoe crab from the Ordovician of Pennsylvania.. The specimen is somewhat 3-dimensional as seen in the photos.. there are tracks present all over the top of the matrix as well.. a very cool and RARE specimen!!Pennsylvania Horseshoe Crab Price $625.00