Where: Sichuan, China (32.3° N, 105.5° E: paleocoordinates 10.0° N, 91.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: deep-water; lithified mudstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: H. F. Yin. 1983. Uppermost Permian (Changxingian) pectinacea from south China. Rivista Italiana di Paleontologia e Stratigrafia 88(3):337-386 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88713: authorized by Matthew Clapham, entered by Matthew Clapham on 18.04.2009

Creative Commons license: CC BY (attribution)