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Columbiana Unit (Allegheny Fm., Mahoning Co.) (Carboniferous of the United States)

Where: Mahoning County, Ohio (41.0° N, 80.7° W: paleocoordinates 7.6° S, 18.4° W)

• coordinate based on political unit

When: Allegheny Formation, Desmoinesian (313.8 - 305.9 Ma)

• Desmoinesian series

Environment/lithology: marine; lithology not reported

Collection methods: bulk, mechanical

• Most specimens collected in shale, a few in limestone.

Primary reference: R. D. Hoare and M. T. Sturgeon. 1998. Pennsylvanian endothyroid foraminifera from the Appalachian Basin. Journal of Paleontology 72(3):405-418 [J. Alroy/M. Sommers/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 16: authorized by John Alroy, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)