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
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 | |
Treptoceras duseri Hall and Whitfield 1875 |