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Caesars Creek Lake, southwestern Ohio, Waynesville Formation, T. duseri shale

Warren County, Ohio
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Next site in Ohio04-FF-AA · 0.2 mi

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Based on our latest records, with claims updated from the BLM on Oct 3, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

0.2 mi04-FF-AAFossil0.9 mi04-CCU-AAFossil1 mi03-CCO-AAFossil

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About Caesars Creek Lake, southwestern Ohio, Waynesville Formation, T. duseri shale

Caesars Creek Lake, southwestern Ohio, Waynesville Formation, T. duseri shale is a fossil collection site in Warren, Ohio, cataloged in the Paleobiology Database. Fossils here come from the Waynesville Formation, dated to the Ashgill (449.5–443.1 million years ago). The depositional environment is recorded as deep subtidal shelf. Documented finds include Treptoceras duseri, Treptoceras fosteri, Treptoceras cincinnatiensis.

Geologic setting

Formation
Waynesville
Geologic interval
Ashgill
Age
449.5–443.1 Ma
Depositional environment
deep subtidal shelf
Recorded occurrences
3
Geology notes

Deeper-water, low-energy, mud-bottom environment. Heavily oxygenated.

Locality notes

Excavation for the spillway (now under water) and weathered bluff just downstream (northwest) from the spillway, Caesars Creek Lake, Warren County, Ohio. Oregonia, Ohio 7.5 min quadrangle.

Fossils found here

Treptoceras duseri
Cephalopoda · Proteoceratidae
Treptoceras fosteri
Cephalopoda · Proteoceratidae
Treptoceras cincinnatiensis
Cephalopoda · Proteoceratidae

Records and references

Data: Paleobiology Database collection 27503 (CC BY 4.0) — view the source record

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Questions about Caesars Creek Lake, southwestern Ohio, Waynesville Formation, T. duseri shale

Can you collect at Caesars Creek Lake, southwestern Ohio, Waynesville Formation, T. duseri shale?

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 Caesars Creek Lake, southwestern Ohio, Waynesville Formation, T. duseri shale?

Fossil.

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Meteorite nearbyA 26.3 kg iron meteorite was found at Dayton in 1892, 19 miles from here.

Source: Paleobiology Database.