Where: Wyoming (44.2° N, 106.9° W: paleocoordinates 10.5° S, 69.3° W)

When: Phragmodus undatus conodont zone, South Piney Member (Winnipeg Formation), Mohawkian (457.3 - 451.0 Ma)

• PJW: originally had Oulodus velicuspis entered as zone; however, Fig. 3 shows that it's in the Phragmodus undatus zone

• bed-level stratigraphic resolution

Environment/lithology: marine; green, sandy mudstone

Size class: microfossils

Primary reference: I. J. Sansom and M. P. Smith. 2005. Late Ordovician vertebrates from the Bighorn Mountains of Wyoming. Palaeontology 48(1):31-48 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 181046: authorized by Emilia Jarochowska, entered by Paulina Nätscher on 16.08.2016

Creative Commons license: CC BY (attribution)