Wangcun section, 70.2m (Cambrian of China)

Where: Hunan, China (28.7° N, 110.0° E: paleocoordinates 24.4° N, 152.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ptychagnostus punctuosus trilobite zone, Huaqiao Formation, Wangcunian (504.5 - 497.0 Ma)

• bed 17 (52.1-72.6m), Dorypyge richthofeni polymerid trilobite zone, Lower Wangcunian, Middle Drumian

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified packstone and lithified grainstone

• Jiangnan Slope Belt, lower slope environments
• bed 17: grayish black, medium- to thick-bedded, laminated packstone bearing limestone concretions, intercalated with few light-gray, thin-bedded grainstone beds, with a 15 cm thick layer of loosely cemented black shale appearing at 72.6 m, and a 10 cm thick grainstone bearing rich trilobites at 56.5 m

Size class: macrofossils

Primary reference: S. Peng and R. A. Robison. 2000. Agnostid biostratigraphy across the Middle-Upper Cambrian boundary in Hunan, China. Journal of Paleontology Memoir 53 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49280: authorized by Austin Hendy, entered by Austin Hendy on 12.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Artiopoda
 Agnostida - Ptychagnostidae
"Ptychagnostus leptus" = Acidusus leptus
"Ptychagnostus leptus" = Acidusus leptus Qian 1983