Where: Guangxi, China (23.8° N, 108.9° E: paleocoordinates 1.5° N, 100.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Heshan Formation, Wuchiapingian (259.9 - 254.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, cherty/siliceous limestone

Size class: macrofossils

Preservation: replaced with silica

Primary reference: Z. T. Liao. 1987. Paleoecological characters and stratigraphic significance of silicified brachiopods of the Upper Permian from Heshan, Laibin, Guangxi. Stratigraphy and Palaeontology of Systemic Boundaries in China: Permian and Triassic Boundary 1:81-125 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 112399: authorized by Matthew Clapham, entered by Matthew Clapham on 11.07.2011

Creative Commons license: CC BY (attribution)