ammonites
USGS Loc. 13829, Unit B, Neva LS member, Grenola LS formation (Permian of the United States)

Where: Greenwood County, Kansas (38.1° N, 96.4° W: paleocoordinates 0.5° S, 27.3° W)

• coordinate based on political unit

• outcrop-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: marine; gray, calcareous siltstone

• Shale, silty, calcareous, tan-gray, thin-bedded

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 12359: authorized by Arnold Miller, entered by Chad Ferguson on 29.10.2001