ammonites
Gladstone Mill, Layer M3. White Cottage (Carboniferous of the United States)

Where: Muskingum County, Ohio (39.9° N, 82.1° W: paleocoordinates 13.5° S, 25.2° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Goniatites ammonoid zone, Maxville Limestone Formation, Chesterian (339.4 - 318.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: limestone and shale

• Irregular and thin layers of limestone with thin shaly partings

Size class: macrofossils

Primary reference: W. C. Morse. 1910. The Maxville Limestone. Ohio Geological Survey Bulletin 13:75-181 [P. Wagner/P. Wagner] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 128013: authorized by Pete Wagner, entered by Pete Wagner on 31.05.2012