Where: Shelby County, Alabama (33.4° N, 86.8° W: paleocoordinates 29.4° S, 68.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Little Oak Formation, Ashbyan (457.3 - 449.6 Ma)

• Chert beds

• group of beds-level stratigraphic resolution

Environment/lithology: cherty/siliceous limestone

Size classes: macrofossils, mesofossils

Preservation: replaced with silica

Reposited in the USNM

Primary reference: J. Pojeta and B. Runnegar. 1976. The paleontology of rostroconch mollusks and the early history of the phylum Mollusca. United States Geological Survey Professional Paper 968:1-88 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 100252: authorized by Pete Wagner, entered by Pete Wagner on 03.12.2010

Creative Commons license: CC BY (attribution)