Where: Hunan, China (29.1° N, 110.9° E: paleocoordinates 22.6° N, 150.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Huaqiao Formation, Guzhangian (500.5 - 497.0 Ma)

• Sample NWF23a of unit 23. Probably equivalent to sample WT9 of bed 5 of Peng 1987. Laochatian Formation after Lin 1991, Huaqiao Formation after revision of stratigraphic nomenclature of Peng and Babcock 2001. Agnostascus (Paragnostascus) sinensis assemblage zone, probably equivalent to Linguagnostus reconditus zone

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified limestone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: T. R. Lin. 1991. Middle Cambrian stratigraphy and trilobite fauna of Taoyuan, NW Hunan. Acta Palaeontologica Sinica 30(3):360-376 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 128932: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.06.2012

Creative Commons license: CC BY (attribution)