Caesars Creek Lake, southwestern Ohio, Waynesville Formation, T. duseri shale (Ordovician of the United States)

Where: Warren County, Ohio (39.5° N, 84.1° W: paleocoordinates 25.7° S, 57.7° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Waynesville Formation, Ashgill (449.5 - 443.7 Ma)

• Richmondian; Unit located about 11-13 m above Arnheim-Waynesville contact.

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; blue claystone

• Deeper-water, low-energy, mud-bottom environment. Heavily oxygenated.
• Massive blue claystone.

Size class: macrofossils

Primary reference: R. C. Frey. 1988. Paleoecology of Treptoceras duseri (Michelinoceratida, Proteoceratidae) from Late Ordovician of southwestern Ohio. New Mexico Bureau of Mines and Mineral Resources Memoir 44:79-101 [S. Holland/T. Hanson/T. Hanson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 27503: authorized by Steven Holland, entered by Tori Hanson on 07.12.2002, edited by Torsten Liebrecht

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Orthocerida - Proteoceratidae
Treptoceras fosteri Miller 1875
MU 17175 (suite of 5 specimens)
Treptoceras duseri Hall and Whitfield 1875
Treptoceras cincinnatiensis Miller 1875
MU 17184 (suite of 4 specimens)