Tuanxi Section, Bed 21 (Permian of China)

Where: Guizhou, China (27.5° N, 107.1° E: paleocoordinates 3.2° N, 96.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by D.G. Men; reposited in the NIGPAS

Primary reference: S. Z. Shen and G. R. Shi. 2007. Lopingian (Late Permian) brachiopods from South China. Part 1. Orthotetida, Orthida and Rhynchonellida. Bulletin of the Tohoku University Museum 6:1-102 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138498: authorized by Matthew Clapham, entered by Matthew Clapham on 20.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Orthotetida - Derbyiidae
Derbyia acutangula Huang 1933
 Orthotetida - Meekellidae
 Rhynchonellida - Pontisiidae
 Orthida - Schizophoriidae
Acosarina minuta Abich 1878