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); 100 feet thick.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, black, gray shale
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 41385: authorized by David Bottjer, entered by Matthew Clapham on 13.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Crurithyris planoconvexa Shumard 1855 |