ammonites
USGS Loc. 13553, Sallyards LS member, Grenola LS formation (Permian of the United States)

Where: Riley County, Kansas (39.2° N, 96.6° W: paleocoordinates 0.6° N, 26.8° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Sallyards Limestone Member (Grenola Limestone Formation), Asselian (298.9 - 295.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; limestone

• Limestone, hard, tan, massive; fragments tentatively identified as fossil plants

Reposited in the USGS

Primary reference: M. R. Mudge, E. L. Yochelson, R. C. Douglas, H. Duncan, H. L. Strimple, M. Gordon, Jr., and D. H. Dunkle. 1962. Stratigraphy and Paleontology of the Uppermost Pennsylvanian and Lowermost Permian Rocks in Kansas. United States Geological Survey Professional Paper 323:1-213 [A. Miller/C. Ferguson/P. Wagner] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 12248: authorized by Arnold Miller, entered by Chad Ferguson on 16.10.2001