Paibi section, bed 3 (Cambrian of China)

Where: Hunan, China (28.4° N, 109.5° E)

• Paleocoordinates: 8.7° S, 79.7° E (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• bed 3: 2.8-6.8 m, Dorypyge richthofeni polymerid trilobite zone

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified, argillaceous dolomite

• Jiangnan Slope Belt, lower slope environments
• grayish dark, thin- to medium-bedded, argillaceous dolostone, with a layer of thin-bedded dolostone with wavy lamination at the base

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 49150: authorized by Austin Hendy, entered by Austin Hendy on 10.04.2005, edited by Uta Merkel

Creative Commons license: CC0 (CC0)

Taxonomic list

Artiopoda
 Agnostida - Ptychagnostidae
Ptychagnostus atavus Tullberg 1880
Trilobita
 Corynexochida - Corynexochidae
Corynexochus xiangxiensis n. sp. Peng et al. 2004 trilobite
 Corynexochida - Dorypygidae
Dorypyge richthofeni Dames 1883 trilobite
 Ptychopariida - Proasaphiscidae
 Ptychopariida - Kingstoniidae