Yanjingxi section, bed 11d (upper), Hechuan County (Triassic of China)

Where: Chongqing, China (30.1° N, 106.5° E: paleocoordinates 9.8° N, 93.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Feixianguan Formation, Griesbachian (251.9 - 250.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, argillaceous limestone

Size class: macrofossils

Collection methods: peel or thin section

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 149133: authorized by Matthew Clapham, entered by Matthew Clapham on 29.07.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Cardiida - Anthracosiidae
Unionites sp. Wissman 1841 clam
 Pectinida - Aviculopectinidae
Eumorphotis multiformis Bittner 1899 scallop
 Pectinida - Claraiidae
Claraia sp. Bittner 1901 scallop
 Pectinida - Hunanopectinidae
Leptochondria albertii Goldfuss 1838 scallop