Shangsi Section, Bed 21 (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 shale and lithified, cherty/siliceous 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 148464: authorized by Matthew Clapham, entered by Matthew Clapham on 20.07.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Tubothalamea
 Miliolida - Hemigordiopsidae
Multidiscus sp., Multidiscus guangxiensis
Foraminifera
  -
Eolasiodiscus sp.
 Ammodiscoidea - Ammodiscidae
Glomospira parva
Cephalopoda
 Ceratitida - Pseudotirolitidae
Chaotianoceras cf. modestum, Pseudotirolites sp.
Chaotianoceras cf. modestum Zhao and Liang 1974 ceratite
Pseudotirolites sp. Sun 1933 ceratite
 Ceratitida - Pleuronodoceratidae
Rotodiscoceras sp., Pleuronodoceras sp., Qianjiangoceras sp.
Rotodiscoceras sp. Zhao and Liang 1966 ceratite
Pleuronodoceras sp. Zhao and Liang 1965 ceratite
Qianjiangoceras sp. Zhao et al. 1978 ceratite