USGS 7082 Clyde, AK (Carboniferous of the United States)

Where: Washington County, Arkansas (35.9° N, 94.9° W: paleocoordinates 11.2° S, 35.5° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Fayettville Shale Formation, Serpukhovian (330.9 - 323.2 Ma)

• Mid-Chesterian is equivalent to Serpukhovian according to Heckel and Clayton, 2006 (Geologica acta 4:403-407)

• formation-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Primary reference: M. Gordon, Jr., T. W. Henry, and J. D. Treworgy. 1993. Late Mississippian Productoid Brachiopods Inflatia, Keokukia, and Adairia, Ozark Region of Oklahoma and Arkansas. Paleontological Society Memoir 30:1-29 [N. Bonuso/P. Monarrez/P. Monarrez]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 141723: authorized by Nicole Bonuso, entered by Pedro Monarrez on 31.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Productida - Productidae