Also known as USGS Locs: 28540-PC. 2.3 km ne of abandoned community of Elba

Where: Van Buren County, Arkansas (35.8° N, 92.5° W: paleocoordinates 12.4° S, 34.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Imo Formation, Serpukhovian (330.9 - 323.2 Ma)

• Elvirian (E2b-c); late Chesterian is Serpukhovian according to Mii et al. 1999 (GSA Bull 111:960-973)

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, concretionary, black, gray, sandy grainstone and shale

Reposited in the OSU

Primary reference: R. D. Hoare, M. J., I.I.I. Heaney, and R. H. Mapes. 1989. Bivalves (Mollusca) from the Imo Formation (Mississippian, Chesterian) of North-Central Arkansas. Journal of Paleontology 63(5):582-603 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 69284: authorized by Pete Wagner, entered by Pete Wagner on 23.02.2007

Creative Commons license: CC BY (attribution)