Xiejiacao section, bed 5, Guang'an County (Permian of China)

Where: Sichuan, China (30.5° N, 107.0° E: paleocoordinates 9.4° N, 93.7° 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 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 149120: authorized by Matthew Clapham, entered by Matthew Clapham on 29.07.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Productida - Productellidae
 Spiriferida - Ambocoeliidae
 Lingulida - Lingulidae
"Lingula tenuissima" = Lingularia tenuissima Bronn 1837
var. sinensis
"Lingula borealis" = Lingularia borealis Bittner 1899