Where: Fujian, China (26.0° N, 117.2° E: paleocoordinates 12.3° N, 103.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Yanshi Formation, Changhsingian (254.2 - 252.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Primary reference: L. Li. 1995. Evolutionary change of bivalves from Changhsingian to Griesbachian in south China. Acta Palaeontologica Sinica 34:350-369 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 111733: authorized by Matthew Clapham, entered by Matthew Clapham on 28.06.2011

Creative Commons license: CC BY (attribution)