Paibi section, bed 4 (Cambrian of China)

Where: Hunan, China (28.4° N, 109.5° E: paleocoordinates 26.3° 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 4: 6.80-12.4 m, Dorypyge richthofeni polymerid trilobite zone

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified, argillaceous dolomite and lithified packstone

• Jiangnan Slope Belt, lower slope environments
• dark-gray, thin- to medium-bedded, laminated, argillaceous dolostone intercalated with dark-gray 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 49151: authorized by Austin Hendy, entered by Austin Hendy on 10.04.2005, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Artiopoda
 Agnostida - Agnostidae
? Agnostus babcocki n. sp.
? Agnostus babcocki n. sp. Peng and Robison 2000
 Agnostida - Ptychagnostidae
Ptychagnostus atavus
Ptychagnostus atavus Tullberg 1880
Trilobita
 Corynexochida - Dorypygidae
Dorypyge richthofeni
Dorypyge richthofeni Dames 1883 trilobite
 Ptychopariida - Proasaphiscidae
Maotunia cf. blackwelderi
 Ptychopariida - Kingstoniidae
Kingstonia euryaxis