Where: Johnson County, Illinois (37.3° N, 88.9° W: paleocoordinates 11.2° S, 29.0° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Fraileys Shale Formation, Pendleian (330.9 - 327.0 Ma)

• the Fraileys Shale of Kentucky and Illinois is equivalent to the middle Golconda of Indiana [JA: originally entered as "Middle Chester"; the Fraileys Shale is more specifically Pendleian]

• formation-level stratigraphic resolution

Environment/lithology: marine; shale and limestone

Primary reference: J. Rodriguez. 1960. Invertebrate Fauna of the Golconda Formation (Middle Chester) of Indiana, Western Kentucky, and Southern Illinois. 1-259 [A. Miller/K. Layou/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7073: authorized by Arnold Miller, entered by Karen Layou on 21.04.2000

Creative Commons license: CC BY (attribution)