Where: La Rioja, Argentina (26.4° S, 66.9° W: paleocoordinates 39.7° S, 130.7° W)
• local area-level geographic resolution
When: Baltograptus minutus graptolite zone, Suri Formation, Arenig (478.6 - 466.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; shale and sandstone
Size class: macrofossils
Preservation: mold/impression
Collection methods: quarrying,
Primary reference: T. M. Sanchez. 1997. Additional Mollusca (Bivalvia and Rostroconchia) from the Suri Formation, Early Ordovician (Arenig), western Argentina. Journal of Paleontology 71(6):1046-1053 [A. Miller/R. Krause/R. Krause]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 169615: authorized by Pete Wagner, entered by Pete Wagner on 31.05.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
? Colpomya sp. Ulrich 1893 clam | |
? Cosmogoniophorina tenuicostata Harrington 1938 clam |