Xiejiacao section, bed 29, Guang'an County (Triassic of China)

Where: Sichuan, China (30.5° N, 107.0° E: paleocoordinates 10.4° N, 93.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Third Member (Daye Formation), Dienerian (250.5 - 251.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified lime mudstone

Size class: macrofossils

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 149101: authorized by Matthew Clapham, entered by Matthew Clapham on 29.07.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Claraiidae
Claraia stachei Bittner 1901 scallop
 Cardiida - Anthracosiidae
Unionites sp. Wissman 1841 clam
Unionites fassaensis Wissmann 1841 clam
 Trigoniida - Myophoriidae
Neoschizodus laevigatus Ziethen 1830 clam