Paibi section, bed 36b (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: Glyptagnostus stolidotus trilobite zone, Huaqiao Formation, Guzhangian (500.5 - 497.0 Ma)

• bed 36b (upper bed 36): 361.5-362 m, Liostracina bella polymerid trilobite zone, Youshuian, Upper Guzhangian

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified packstone

• Jiangnan Slope Belt, lower slope environments with sediment-gravity flows
• dark-gray, thin- to medium-bedded packstone, interbedded with 10 layers of medium gray, medium- to thick-bedded limestone breccia (single layer ranging up to 90 cm thick); one such layer (about 4 cm thick) occurs at base and top of this bed

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 49186: authorized by Austin Hendy, entered by Austin Hendy on 10.04.2005, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Lichida - Damesellidae
Teinistion posterocostum Yang 1977 trilobite
Paradamesella typica Yang 1977 trilobite
 Corynexochida - Corynexochidae
Chatiania chatianensis Yang 1977 trilobite
 Ptychopariida - Lisaniidae
Shengia trapezia Peng 1992 trilobite
 Trinucleida - Liostracinidae
Liostracina bella Lin et al. 1983 trilobite
 Asaphida - Rhyssometopidae
 Asaphida - Ceratopygidae
Artiopoda
 Agnostida - Spinagnostidae
Peratagnostus obsoletus Kobayashi 1935
 Agnostida -
 Agnostida - Ammagnostidae
Ammagnostus histus Peng and Robison 2000
 Agnostida - Diplagnostidae
 Agnostida -
Conodonta
 Paraconodontida -
 Paraconodontida - Furnishinidae
  - Amphigeisinidae
Phakelodus tenuis Muller 1959 conodont