Paibi section, bed 37a (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 37a: 362-364.2 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-bedded packstone

Size class: macrofossils

Reposited in the NIGPAS

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 49187: 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
  - Monkaspididae
Metopotropis sinensis n. sp. Peng et al. 2004 trilobite
 Corynexochida - Corynexochidae
Chatiania chatianensis Yang 1977 trilobite
 Olenida - Asaphiscidae
  - Llanoaspididae
"Placosema bigranulosum" = Genevievella
"Placosema bigranulosum" = Genevievella trilobite
 Ptychopariida - Catillicephalidae
"Paradistazeris hunanensis" = Agelagma
"Paradistazeris hunanensis" = Agelagma trilobite
 Ptychopariida - Diceratocephalidae
 Asaphida - Rhyssometopidae
 Asaphida - Ceratopygidae
 Asaphida - Anomocarellidae
Neoanomocarella asiatica Hsiang 1963 trilobite
Artiopoda
 Agnostida - Spinagnostidae
Peratagnostus obsoletus Kobayashi 1935
 Agnostida - Agnostidae
"Agnostus inexpectans" = Innitagnostus inexpectans Kobayashi 1938
Acmarhachis apicula Oepik 1967
 Agnostida -
 Agnostida - Ammagnostidae
Ammagnostus histus Peng and Robison 2000
 Agnostida - Clavagnostidae
 Agnostida - Diplagnostidae
"Pseudagnostus josepha" = Pseudagnostus josephus Hall 1863
Pseudagnostus prolongus Hall and Whitfield 1877
 Agnostida -
 Agnostida - Glyptagnostidae