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 lime mudstone and lithified, carbonaceous shale
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 148465: authorized by Matthew Clapham, entered by Matthew Clapham on 20.07.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
|
Pernodoceras multinodosum Zhao et al. 1978 ceratite | |
Pleuronodoceras sp., Pentagonoceras attenuatum, Pentagonoceras guizhouense, Pentagonoceras chaotianense, Rotodiscoceras wangcangense
Pleuronodoceras sp. Zhao and Liang 1965 ceratite
Pentagonoceras attenuatum Zhao et al. 1978 ceratite
Pentagonoceras guizhouense Zhao et al. 1978 ceratite
Pentagonoceras chaotianense Zhao et al. 1978 ceratite
Rotodiscoceras wangcangense Zhao et al. 1978 ceratite | |
|
Pseudogastrioceras szechuanense Chao 1965 ammonite | |
| Foraminifera | |
| Tubothalamea | |
| Nodosariata | |
|
Nodosaria sp. Lamarck 1812 | |