SZH-11, Xiayang Section (Cambrian of China)

Where: Shaanxi, China (32.5° N, 107.9° E: paleocoordinates 26.2° N, 162.9° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Lower Member (Shuijingtuo Formation), Atdabanian (521.0 - 516.0 Ma)

• "Based on the eodiscid trilobites, bradoriids and small shelly fossils, the lower Shuijingtuo Formation is commonly correlated with the upper Qiongzhusian stage,..."

• bed-level stratigraphic resolution

Environment/lithology: siltstone and lithified limestone

• The 31 m thick lower member consists of dark thin-bedded siltstones, mudstones and limestones, and contains abundant skeletal fossils, including eodiscid trilobites, brachiopods, protoconodonts and a conodont-like fossil (Rhombocorniculum cancellatum), microdictyoniid plates, sponge spicules, etc.

•Specimens from bioclastic limestone

Size class: macrofossils

Primary reference: G. Li and L.E. Holmer. 2004. Early Cambrian lingulate brachiopods from the Shaanxi Province, China. Geologiska Föreningens i Stockholm Förhandlingar 126(2):193-211 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 57695: authorized by Pete Wagner, entered by Pete Wagner on 18.12.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Lingulata
 Lingulida - Obolidae
 Acrotretida - Acrotretidae
Eohadrotreta zhenbaensis Li and Holmer 2004