Where: St. Clair County, Alabama (33.6° N, 86.7° W: paleocoordinates 27.3° S, 89.8° W)

• outcrop-level geographic resolution

When: Copper Ridge Formation (Knox Group), Trempealeauan (492.5 - 485.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: dolomite and chert

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Primary reference: C. Butts. 1926. The Paleozoic rocks. Geological Survey Alabama, Special Report 14:41-230 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 157241: authorized by Pete Wagner, entered by Pete Wagner on 10.06.2014

Creative Commons license: CC BY (attribution)