Where: Yunnan, China (24.0° N, 104.4° E: paleocoordinates 10.2° N, 94.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Baifeng Formation, Anisian (247.2 - 242.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: mold/impression

Primary reference: F. X. Guo. 1985. Fossil Bivalves of Yunnan 1-319 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 98481: authorized by Matthew Clapham, entered by Matthew Clapham on 07.10.2010

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)