Paibi 2 section, 72m (Cambrian of China)

Where: Hunan, China (28.4° N, 109.5° E: paleocoordinates 24.2° N, 151.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Glyptagnostus reticulatus trilobite zone, Huaqiao Formation, Paibian (497.0 - 494.0 Ma)

• Paibi 2 (=Paibi β) section, bed 66, Shengia quadrata polymerid trilobite zone

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified limestone and lithified grainstone

• Jiangnan Slope Belt, lower slope environments with sediment-gravity flows
• bed 66: medium gray, thick- to very thick-bedded limestone breccia, intercalated with light-gray grainstone; thickness of breccia varies greatly

Size class: macrofossils

Primary reference: S. Peng, L. E. Babcock, and H. Lin. 2004. Corynexochida, Lichida and Asaphida. Polymerid trilobites from the Cambrian of northwestern Hunan, China, Volume 1 1-333 [W. Kiessling/U. Merkel/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 126286: authorized by Wolfgang Kiessling, entered by Uta Merkel on 02.04.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Artiopoda
 Agnostida - Diplagnostidae
"Pseudagnostus josepha" = Pseudagnostus josephus
"Pseudagnostus josepha" = Pseudagnostus josephus Hall 1863
 Agnostida -
 Agnostida - Agnostidae
"Agnostus inexpectans" = Innitagnostus inexpectans
"Agnostus inexpectans" = Innitagnostus inexpectans Kobayashi 1938
 Agnostida - Spinagnostidae
Peratagnostus obsoletus Kobayashi 1935
Trilobita
 Corynexochida - Leiostegiidae
Prochuangia granulosa Lu 1956 trilobite
 Ptychopariida - Lisaniidae
Shengia quadrata Hsiang 1963 trilobite
 Asaphida - Ceratopygidae
"Proceratopyge truncata" = Proceratopyge truncatus
"Proceratopyge truncata" = Proceratopyge truncatus Yang 1977 trilobite
 Lichida - Lichakephalidae
Paraacidaspis hunanica Egorova 1960 trilobite
  - Monkaspididae
Metopotropis sinensis Peng et al. 2004 trilobite