Wangcun section, 33.6m (Cambrian of China)

Where: Hunan, China (28.7° N, 110.0° E: paleocoordinates 25.8° N, 154.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ptychagnostus atavus trilobite zone, Huaqiao Formation, Taijangian (509.0 - 504.5 Ma)

• bed 9 (33-36.4m), Dorypyge richthofeni polymerid trilobite zone, Upper Taijiangian, Lower Drumian

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified grainstone and lithified packstone

• Jiangnan Slope Belt, lower slope environments
• bed 9: dark-gray, thin-bedded grainstone with few laminations, intercalated with dark-gray, thin-bedded, laminated packstone

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 49271: authorized by Austin Hendy, entered by Austin Hendy on 12.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Artiopoda
 Agnostida - Ptychagnostidae
Ptychagnostus atavus Tullberg 1880