Qubu, Bed 21 (Permian of China)

Where: Xizang, China (28.3° N, 87.0° E: paleocoordinates 53.5° S, 64.7° E)

• coordinate estimated from map

• small collection-level geographic resolution

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

• this middle part of the Qubuerga Formation is essentially Wuchiapingian but may be in part early Changhsingian

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone and lithified limestone

• purple siltstone largely covered by weathered Quaternary deposits with occasionally exposed grey bioclastic limestone

Size class: macrofossils

Preservation: mold/impression

Primary reference: S.-Z. Shen, G. R. Shi, and N. W. Archbold. 2003. Lopingian (Late Permian) brachiopods from the Qubuerga Formation at the Qubu section in the Mt. Qomolangma region, southern Tibet (Xizang), China. Palaeontographica Abteilung A 268(1-3):49-101 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 60593: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.05.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Strophomenata
 Productida - Strophalosiidae
Biplatyconcha grandis
Biplatyconcha grandis Waterhouse 1975
> 100 individuals