Where: Chongqing, China (29.5° N, 106.4° E: paleocoordinates 8.3° N, 94.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size classes: macrofossils, microfossils

Primary reference: Z. Y. Yang, H. F. Yin, S. B. Wu, F. Q. Yang, M. H. Ding and G. R. Xu. 1987. Permian-Triassic Boundary Stratigraphy and Fauna of South China 1-379 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149264: authorized by Matthew Clapham, entered by Matthew Clapham on 31.07.2013

Creative Commons license: CC BY (attribution)