Paibi section, bed 21 (Cambrian of China)

Where: Hunan, China (28.4° N, 109.5° E: paleocoordinates 24.0° N, 150.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lejopyge laevigata trilobite zone, Huaqiao Formation, Guzhangian (500.5 - 497.0 Ma)

• bed 21: 189-199 m, Pianaspis sinensis polymerid trilobite zone

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified packstone and lithified, dolomitic limestone

• Jiangnan Slope Belt, lower slope environments with sediment-gravity flows
• dark-gray, thin-bedded packstone, intercalated with dark-gray, thin-bedded, dolomitic limestone; with a layer of light-gray, medium-bedded grainstone, and a layer of medium gray, thin-bedded limestone breccia

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 49171: 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
Trilobita
 Ptychopariida - Papyriaspididae
Pianaspis sinensis
Pianaspis sinensis Yang 1978 trilobite
 Ptychopariida - Lisaniidae
"Baojingia tungrenensis" = Eoshengia
"Baojingia tungrenensis" = Eoshengia trilobite
 Lichida - Damesellidae
Parablackwelderia cf. huabeiensis
Artiopoda
 Agnostida - Diplagnostidae
Diplagnostus planicauda, Linguagnostus kjerulfi
Linguagnostus kjerulfi Brogger 1878
 Agnostida - Ammagnostidae
Ammagnostus wangcunensis
Ammagnostus wangcunensis Peng and Robison 2000