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 | |
Pseudogastrioceras sp. Spath 1936 ammonite |