Paibi section, bed 37b (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 37b: 364.2-366.36 m, Liostracina bella polymerid trilobite zone, Youshuian, Upper Guzhangian

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified packstone and lithified grainstone

• Jiangnan Slope Belt, lower slope environments with sediment-gravity flows
• dark-gray, thin-bedded packstone, with a layer of trilobite-bearing grainstone of 5 cm thick at the base, and a layer of thick bedded limestone breccia (0.6 cm thick) in the middle part

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 49188: 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
Protaitzehoia yuepingensis Yang 1978 trilobite
Teinistion posterocostum Yang 1977 trilobite
Paradamesella typica Yang 1977 trilobite
 Ptychopariida - Catillicephalidae
"Paradistazeris hunanensis" = Agelagma
"Paradistazeris hunanensis" = Agelagma trilobite
 Asaphida - Ceratopygidae
Artiopoda
 Agnostida - Spinagnostidae
Peratagnostus obsoletus Kobayashi 1935
 Agnostida - Agnostidae
"Agnostus inexpectans" = Innitagnostus inexpectans
"Agnostus inexpectans" = Innitagnostus inexpectans Kobayashi 1938
 Agnostida -
 Agnostida - Phalacromidae
Lisogoragnostus sp. Rozova 1988
 Agnostida - Diplagnostidae
"Pseudagnostus josepha" = Pseudagnostus josephus
"Pseudagnostus josepha" = Pseudagnostus josephus Hall 1863
Conodonta
 Paraconodontida -
 Paraconodontida - Furnishinidae
  - Amphigeisinidae
Phakelodus tenuis Muller 1959 conodont