Gaoqiaogou, bed 58 (Cambrian of China)

Where: Sichuan, China (32.2° N, 108.4° E: paleocoordinates 22.2° N, 154.7° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lejopyge laevigata-Clavagnostus (Parclavagnostus) variatus trilobite zone, Baguamiao Formation, Guzhangian (500.5 - 497.0 Ma)

• 11 m thick, Lejopyge laevigata-Clavagnostus (Parclavagnostus) variatus zone of Yang 1993, probably equivalent to Lejopyge laevigata zone

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified lime mudstone

• platform margin slope
• dark-grey thin-bedded micrite

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: J. Yang, S. Yu, G. Liu, N. Su, M. He, J. Shang, H. Zhang, H. Zhu, Y. Li and G. Yan. 1993. Cambrian stratigraphy, lithofacies, paleogeography and trilobite faunas of East Qinling-Dabashan Mountains, China 1-246 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127070: authorized by Wolfgang Kiessling, entered by Uta Merkel on 23.04.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Artiopoda
 Agnostida - Clavagnostidae
 Agnostida - Spinagnostidae
"Hypagnostus correctus" = Hypagnostus parvifrons
"Hypagnostus correctus" = Hypagnostus parvifrons Linnarsson 1869
 Agnostida - Ptychagnostidae
"Lejopyge laevigata" = Lejopyge laevigatus
"Lejopyge laevigata" = Lejopyge laevigatus Dalman 1828