Where: Rockbridge County, Virginia (38.3° N, 79.7° W: paleocoordinates 31.2° S, 70.1° W)

• coordinate based on nearby landmark

When: Oepikodus evae conodont zone, Rockdale Run Formation, Cassinian (482.3 - 470.0 Ma)

• Was Cotter, but that formation is not in this area. Almost certainly should be upper dolomitic "member."

• formation-level stratigraphic resolution

Environment/lithology: limestone and chert

Size class: macrofossils

Preservation: original aragonite, replaced with calcite

Reposited in the USNM

Primary reference: E. O. Ulrich, A. F. Foerste, A. K. Miller and W. M. Furnish. 1942. Ozarkian and Canadian cephalopods, Part I: Nautilicones. Geological Society of America Special Papers 37:1-157 [B. Kröger/B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99218: authorized by Björn Kröger, entered by Björn Kröger on 02.11.2010, edited by Pete Wagner

Creative Commons license: CC BY (attribution)