Pennsylvania Isotelus Trilobite
Ordovician
About Pennsylvania Isotelus Trilobite
The Pennsylvania Isotelus Trilobite is a arthropod fossil dating to the Ordovician. Isotelus Trilobite is a realistic Pennsylvania fossil profile built around large trilobite often found as enrolled sections in limestone and weathered talus. In this state, success usually comes from learning Devonian shales, Mississippian limestones, and glacial gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
“According to TroveRadar, Pennsylvania Isotelus Trilobite fossils from the Ordovician are found across Pennsylvania. TroveRadar's field database catalogs 696+ fossil entries for identification and collection guidance.”
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Pennsylvania state guide
Fossil collecting rules in Pennsylvania vary by land status and fossil type. Common invertebrate fossils may be collectible on some public lands, but vertebrate fossils, protected park units, tribal lands, and cultural sites require a much higher level of care and often a permit. This is especially relevant in Devonian fossils, coal-age plants, and river gravels.
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Location: Allegheny National Forest
National Forest • Seasonal edible mushrooms, Common invertebrate fossils in float
Location: Promised Land State Park
State Park • Photo opportunities, Exposed shoreline stones
Location: Hickory Run State Park
State Park • Photo opportunities, Exposed shoreline stones
Location: Ohiopyle State Park
State Park • Photo opportunities, Exposed shoreline stones
Identification Tips
- ●broad cephalon
- ●large pygidium
- ●thick calcitic shell
- ●Check Devonian shales, Mississippian limestones, and glacial gravels
Where Found
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Related Fossils
Iowa Trilobite
Paleozoic
Trilobite is a realistic Iowa fossil profile built around segmented marine arthropod preserved in shale or limestone from ancient inland seas. In this state, success usually comes from learning Silurian and Devonian limestones, shale cuts, and glacial gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
Illinois Trilobite
Paleozoic
Trilobite is a realistic Illinois fossil profile built around segmented marine arthropod preserved in shale or limestone from ancient inland seas. In this state, success usually comes from learning Silurian and Devonian limestones, shale cuts, and glacial gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
Indiana Trilobite
Paleozoic
Trilobite is a realistic Indiana fossil profile built around segmented marine arthropod preserved in shale or limestone from ancient inland seas. In this state, success usually comes from learning Silurian and Devonian limestones, shale cuts, and glacial gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
Ohio Trilobite
Paleozoic
Trilobite is a realistic Ohio fossil profile built around segmented marine arthropod preserved in shale or limestone from ancient inland seas. In this state, success usually comes from learning Silurian and Devonian limestones, shale cuts, and glacial gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
Pennsylvania Trilobite
Paleozoic
Trilobite is a realistic Pennsylvania fossil profile built around segmented marine arthropod preserved in shale or limestone from ancient inland seas. In this state, success usually comes from learning Devonian shales, Mississippian limestones, and glacial gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
West Virginia Trilobite
Paleozoic
Trilobite is a realistic West Virginia fossil profile built around segmented marine arthropod preserved in shale or limestone from ancient inland seas. In this state, success usually comes from learning Devonian shales, Mississippian limestones, and glacial gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.