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Gaoqiaogou, bed 52 (Cambrian of China)

Where: Sichuan, China (32.2° N, 108.4° E: paleocoordinates 23.1° N, 156.3° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Doryagnostus incertus trilobite zone, Baguamiao Formation, Wangcunian (505.0 - 501.0 Ma)

• 8 m thick, Doryagnostus incertus zone of Yang 1993, probably equivalent to Ptychagnostus punctuosus zone, Drumian

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified lime mudstone

• platform margin slope
• greyish-black thin-bedded micrite limestone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: J. Yang, S. Yu, G. Liu, N. Su, M. He, J. Shang, H. Zhang, H. Zhu, Y. Li and G. Yan. 1993. Cambrian stratigraphy, lithofacies, paleogeography and trilobite faunas of East Qinling-Dabashan Mountains, China 1-246 [W. Kiessling/U. Merkel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127063: authorized by Wolfgang Kiessling, entered by Uta Merkel on 23.04.2012

Creative Commons license: CC BY (attribution)