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03-W42-A

Warren County, Ohio
Directions
Next site in OhioRoadcut along US 42, near Mt. Holly, Waynesville Formation, T. duseri shale · 2 mi

Can I collect here?

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Based on our latest records, with claims updated from the BLM on Oct 15, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

Nearby sites

All of Ohio
2 miRoadcut along US 42, near Mt. Holly, Waynesville Formation, T. duseri shaleFossil4 miJonah's RunFossil4 mi04-CCU-AAFossil

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About 03-W42-A

03-W42-A is a fossil collection site in Warren, Ohio, cataloged in the Paleobiology Database. Fossils here come from the Waynesville Formation, dated to the Richmondian (449.6–445.5 million years ago). The depositional environment is recorded as offshore ramp and the tectonic setting is cratonic basin. Documented finds include Dalmanella, Holtedahlina sulcata, Leptaena richmondensis, Platystrophia, Rafinesquina alternata, Trepostomata.

Geologic setting

Formation
Waynesville
Geologic interval
Richmondian
Age
449.6–445.5 Ma
Depositional environment
offshore ramp
Tectonic setting
cratonic basin
Recorded occurrences
12
Locality notes

Roadcut on west side of US Route 42, 1.2 miles north of Main Street in Waynesville

Fossils found here

Dalmanella
Rhynchonellata · Dalmanellidae
Holtedahlina sulcata
Strophomenata · Strophomenidae
Leptaena richmondensis
Strophomenata · Rafinesquinidae
Platystrophia
Rhynchonellata · Platystrophiidae
Rafinesquina alternata
Strophomenata · Rafinesquinidae
Trepostomata
Stenolaemata
Bryozoa
Bryozoa
Costatulites richmondensis
Tentaculita · Costatulitidae
Flexicalymene
Trilobita · Calymenidae
Cincinnaticrinus
Crinoidea · Cincinnaticrinidae
Xenocrinus
Crinoidea · Xenocrinidae
Glyptorthis insculpta
Rhynchonellata · Glyptorthidae

Records and references

Data: Paleobiology Database collection 72614 (CC BY 4.0) — view the source record

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Questions about 03-W42-A

Can you collect at 03-W42-A?

It depends on who owns the land and whether a mining claim covers it. BLM land usually allows hand collecting for personal use, national parks allow none, and private land needs the owner’s permission. Pro members see the owner and any claims at this spot.

What minerals are found at 03-W42-A?

Fossil.

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What to bring

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Meteorite nearbyA 26.3 kg iron meteorite was found at Dayton in 1892, 15 miles from here.

Source: Paleobiology Database.