Daijiagou Section, P-T Bed 7 (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• coordinate based on unpublished field data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. 0.09 m thick.

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, brown, gray marl

• Light brown marl

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 95604: authorized by Matthew Clapham, entered by Matthew Clapham on 19.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Pteriidae
Pteria ussurica Kiparisova 1938 pearl oyster
ssp. variabilis
 Pectinida - Hunanopectinidae
Leptochondria virgalensis Wittenburg 1908 scallop
 Pectinida - Aviculopectinidae
Eumorphotis inaequicostatus Benecke 1868 scallop
Eumorphotis multiformis Bittner 1899 scallop
Lingulata
 Lingulida - Lingulidae
Rhynchonellata
 Spiriferida - Ambocoeliidae
"Crurithyris flabelliformis" = Orbicoelia flabelliformis
"Crurithyris flabelliformis" = Orbicoelia flabelliformis Liao 1979
Ostracoda
 Palaeocopida - Hollinellidae
Hollinella tingi Patte 1935 ostracod