Where: Xizang, China (33.6° N, 86.8° E: paleocoordinates 5.8° S, 67.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Yingshuiquan Formation, Olenekian (251.2 - 247.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: C. Z. Chen. 1982. Some late Palaeozoic and Triassic bivalves from Xizang. Series of the Scientific Expedition to the Qinghai-Xizang Plateau, Paleontology of Xizang 4:221-224 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 150487: authorized by Matthew Clapham, entered by Matthew Clapham on 09.09.2013

Creative Commons license: CC BY (attribution)