Where: Washington County, Arkansas (35.9° N, 94.4° W: paleocoordinates 12.5° S, 36.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Goniatites granosus ammonoid zone, Limestone Member (Fayetteville Formation), Brigantian (336.0 - 330.9 Ma)

• Goniatites granosus zone; basal part of wavy layer

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Collected by G.H. Girty in 1904; 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 76142: authorized by Pete Wagner, entered by Pete Wagner on 14.11.2007

Creative Commons license: CC BY (attribution)