Where: Muskingham County, Ohio (39.8° N, 81.9° W: paleocoordinates 7.0° S, 18.6° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Streptognathodus gracilis conodont zone, Portersville Member (Conemaugh Formation), Missourian (306.0 - 303.7 Ma)

• member-level stratigraphic resolution

Environment/lithology: coastal; lithified shale and lithified limestone

Size class: macrofossils

Reposited in the OSU

Primary reference: W. M. Laird. 1937. The Portersville Member of the Conemaugh Formation in Muskingum County, Ohio. The Ohio Journal of Science 37(3):141-146 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 175104: authorized by Pete Wagner, entered by Pete Wagner on 02.12.2015

Creative Commons license: CC BY (attribution)