Where: Tennessee (35.2° N, 87.0° W: paleocoordinates 28.0° S, 67.0° W)

• small collection-level geographic resolution

When: Catheys Formation, Edenian (460.9 - 449.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; argillaceous packstone

Primary reference: M. E. Patzkowsky and S. M. Holland. 1999. Biofacies Replacement in a Sequence Stratigraphic Framework: Middle and Upper Ordovician of the Nashville Dome, Tennessee, USA. Palaios 14(4):301-317 [M. Patzkowsky/K. Layou/A. Clement] more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 1931: authorized by Mark Patzkowsky, entered by Karen Layou on 11.06.1999