Tongkou section, Beichuan, bed 4 (Permian of China)

Where: Sichuan, China (31.8° N, 104.6° E: paleocoordinates 5.0° N, 92.2° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Wujiaping Formation, Wuchiapingian (259.9 - 254.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: microfossils

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 148498: 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
Ostracoda
 Platycopida - Cavellinidae
? Cavellina sp.
? Cavellina sp. Coryell 1928 ostracod
 Podocopida - Acratiidae
Acratia sp.
Acratia sp. Delo 1930 ostracod
 Podocopida - Bairdiidae
Bairdia sp., Bairdia cf. guangxiensis, Bairdia hassi, Fabalicypris subalta, Bairdiacypris sp.
Bairdia sp. M'Coy 1844 ostracod
Bairdia cf. guangxiensis Guan 1978 ostracod
Bairdia hassi Sohn 1960 ostracod
Fabalicypris subalta Xie 1989 ostracod
Bairdiacypris sp. Bradfield 1935 ostracod