Shangsi Section, Bed 17 (Permian of China)

Where: Sichuan, China (32.3° N, 105.5° E: paleocoordinates 10.0° N, 91.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified, gray, cherty/siliceous, carbonaceous lime mudstone

Size class: macrofossils

Preservation: mold/impression

Collected in 1984

Primary reference: Z. S. Li, Z. P. Zhan, J. Y. Dai, R. G. Jin, X. F. Zhu, J. H. Zhang, H. Q. Huang, D. Y. Xu, Z. Yan and H. M. Li. 1989. Study on the Permian-Triassic Biostratigraphy and Event Stratigraphy of Northern Sichuan and Southern Shaanxi 1-435 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 148468: authorized by Matthew Clapham, entered by Matthew Clapham on 20.07.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Paragastrioceratidae
Pseudogastrioceras sp. Spath 1936 ammonite