Where: Sichuan, China (28.4° N, 104.7° E: paleocoordinates 7.6° N, 93.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Griesbachian (251.9 - 250.5 Ma)

• Basal part of Lower Triassic

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

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 123720: authorized by Matthew Clapham, entered by Matthew Clapham on 27.01.2012

Creative Commons license: CC BY (attribution)