Where: Decatur County County, Indiana (39.3° N, 85.5° W: paleocoordinates 24.9° S, 54.8° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Brassfield Formation, Llandovery (443.4 - 433.4 Ma)

• Lower-middle Brassfield, i.e., below Lee Creek Member (Nicoll & Rexroad, 1968) at type locality and elsewhere in southeast Indiana, but above the Belfast Member (Rexroad, 1967) of Ohio and Kentucky, southeast Indiana: middle thin-bedded unit of Gordon & Ettensohn (1984), southwestern Ohio and adjacent Kentucky.

Environment/lithology: deep subtidal; lithified shale and lithified dolomite

Primary reference: T. J. Frest, C. E. Brett, and B. J. Witzke. 1999. Caradocian-Gedinnian echinoderm associations of Central and Eastern North America. Paleocommunities--a case study from the Silurian and Lower Devonian 638-783 [M. Foote/K. Koverman/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 13291: authorized by Michael Foote, entered by Kimberly Koverman on 15.02.2002

Creative Commons license: CC BY (attribution)