Daijiagou Section, P-T Bed 6 (Permian of China)

Where: Sichuan, China (29.9° N, 106.5° E: paleocoordinates 8.7° N, 93.8° E)

• coordinate based on unpublished field data

• small collection-level geographic resolution

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

• Transitional beds between Changxing and Feixianguan Fms. 0.08 m thick

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, pyritic, gray, argillaceous lime mudstone

• Greyish argillaceous limestone with numerous pyrite grains

Size class: macrofossils

Primary reference: S. Z. Shen, X. L. He, and G. R. Shi. 1995. Biostratigraphy and correlation of several Permian-Triassic boundary sections in southwestern China. Journal of Southeast Asian Earth Sciences 12(1-2):19-30 [M. Clapham/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 95603: authorized by Matthew Clapham, entered by Matthew Clapham on 19.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Productida -
Spinomarginifera alpha Huang 1932
Unpub. field obs.
 Productida - Productellidae
Paryphella orbicularis Liao 1980
Unpub. field obs.
 Strophomenida - Rugosochonetidae
"Tethyochonetes liaoi" = Fusichonetes soochowensis
"Tethyochonetes liaoi" = Fusichonetes soochowensis Chao 1928
Unpub. field obs.
Bivalvia
 Pectinida - Aviculopectinidae
Eumorphotis aff. venetiana Hauer 1850 scallop