Where: Salta, Argentina (24.5° S, 65.8° W: paleocoordinates 44.0° S, 129.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Tremadoc (488.3 - 478.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified, black shale

Size class: macrofossils

Collected by J. Keidel

Primary reference: H. J. Harrington and A. F. Leanza. 1957. Ordovician trilobites of Argentina. Department of Geology, University of Kansas Special Publication. Lawrence: University of Kansas Press 1:1-276 [A. Miller/P. Novack-Gottshall] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 115817: authorized by Arnold Miller, entered by Sarah Kolbe on 04.09.2011