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Maotianshan, Bed 4 [Yuanshan Fm] (Cambrian of China)

Where: Yunnan, China (24.0° N, 102.0° E: paleocoordinates 36.1° N, 161.0° E)

• outcrop-level geographic resolution

When: Eoredlichia- Wutingaspis trilobite zone, Yuanshan Formation, Atdabanian (520.0 - 516.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Yuanshan Mbr [now formation rank] of the Chiungchussu Formation. AGE: Atdabanian on the basis of trilobite biostratigraphy; Eoredlichia- Wutingaspis trilobite zone. STRATIGRAPHIC POSITION: From bed 4.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, brown, gray, yellow, silty shale

• SPECIFIC LITHOLOGY: Greyish-yellow shale and silty shale intercalated with greyish-brown siltstone. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression

Reposited in the NIGPAS

• COLLECTOR: Not stated in text. REPOSITORY: NIGP (Nanjing Institute of Geology and Palaeontology).

Primary reference: Y. G. Jin, X. G. Hou, and H. Y. Wang. 1993. Lower Cambrian pediculate lingulids from Yunnan, China. Journal of Paleontology 67(5):788-798 [A. Hendy/A. Hendy/P. Novack-Gottshall] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90494: authorized by Austin Hendy, entered by Austin Hendy on 03.08.2009

Creative Commons license: CC BY (attribution)