Where: Washington County, Arkansas (36.1° N, 94.1° W: paleocoordinates 15.4° S, 39.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Limestone Member (Fayetteville Formation), Meramecian (345.0 - 336.0 Ma)

• Goniatites granosus zone; limestone below lower shales, above Boone limestone

• group of beds-level stratigraphic resolution

Environment/lithology: black limestone

Size class: macrofossils

Collected by W.P. Jenney in 1891; reposited in the USNM

Primary reference: M., J.r. Gordon. 1969. Revision of some of Girty's invertebrate fossils from the Fayetteville Shale (Mississippian) of Arkansas and Oklahoma - Introduction. United States Geological Survey Professional Paper 606(A):1-7 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 76118: authorized by Pete Wagner, entered by Pete Wagner on 14.11.2007

Creative Commons license: CC BY (attribution)