Where: Junin, Peru (11.4° S, 75.7° W: paleocoordinates 28.9° S, 55.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tarma Group, Moscovian (315.2 - 307.0 Ma)

• Early Moscovian (late Atokan); 40 feet thick.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, black, sandy shale and lithified, green, calcareous sandstone

Size class: macrofossils

Primary reference: N. D. Newell, J. Chronic, and T.G. Roberts. 1953. Upper Paleozoic of Peru. Geological Society of America Memoir 58:1-276 [D. Bottjer/M. Clapham/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 41380: authorized by David Bottjer, entered by Matthew Clapham on 13.07.2004

Creative Commons license: CC BY (attribution)