Where: Scotland, United Kingdom (55.3° N, 4.9° W: paleocoordinates 21.5° S, 29.7° W)

• outcrop-level geographic resolution

When: Baltoniodus alobatus conodont zone, Ardwell Farm Formation (Ardwell Group), Burrellian (456.6 - 452.5 Ma)

• Lower part of formation. Given as Llandeilo Flags by Donald, but that is incorrect.

• member-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Reposited in the BMNH

Primary reference: J. G. Donald. 1902. On some of the Proterozoic Gasteropoda which have been referred to Murchisonia and Pleurotomaria, with descriptions of new subgenera and species. Quarterly Journal of the Geological Society of London 58(4):313-339 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 156584: authorized by Pete Wagner, entered by Pete Wagner on 25.05.2014

Creative Commons license: CC BY (attribution)