Where: Sichuan, China (27.4° N, 101.5° E: paleocoordinates 21.2° N, 82.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Shemulong Formation, Carnian (237.0 - 228.0 Ma)

• Upper part of the Shemulong Formation may be early Norian

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Preservation: mold/impression

Primary reference: C. Xu. 1978. Lamellibranchiata. Palaeontological Atlas of Southwest China - Sichuan Volume 2:315-364 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 123710: authorized by Matthew Clapham, entered by Matthew Clapham on 27.01.2012

Creative Commons license: CC BY (attribution)