USGS Loc. 13774, Eskridge Shale formation (Permian of the United States)

Where: Cowley County, Kansas (37.4° N, 96.5° W: paleocoordinates 1.6° S, 28.1° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Eskridge Shale Formation (Council Grove Group), Asselian (298.9 - 295.5 Ma)

• The collection comes from the limestone bed in the Eskridge shale at this locality.

• bed-level stratigraphic resolution

Environment/lithology: marine; gray, argillaceous limestone

• Limestone, hard, clayey, gray, weathers blocky

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 12395: authorized by Arnold Miller, entered by Chad Ferguson on 08.11.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pholadomyida - Edmondiidae
Edmondia nebrascensis Geinitz 1866 clam
 Myalinida - Myalinidae
Septimyalina burmai Newell 1942 clam
 Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851 scallop
Strophomenata
 Productida - Echinoconchidae
"Juresania nebrascensis" = Parajuresania nebrascensis
"Juresania nebrascensis" = Parajuresania nebrascensis Owen 1852