Where: Guizhou, China (27.2° N, 108.5° E)

• Paleocoordinates: 3.8° S, 75.0° E (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Arthricocephalus chauveaui trilobite zone, Balang Formation, Duyunian (514.0 - 509.0 Ma)

• from Bed 15 of the Balang Fm. at Jianggu section. Balange Fm. is underlying Bianmachong Fm., and overlain by the Tsinghutung Fm. It is Canglangpuan Stage according to Zhao et al. 2007. Placed in Duyunian on the bases of trilobite biostratigraphy (see Peng et al. 2001 Cambrian System of South China). From Arthricocephalus chauveaui Zone. Collections is representative of this zone.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, silty mudstone

Size class: macrofossils

Preservation: mold/impression, replaced with limonite

Collected by Y. L. Zhao

Collection methods: surface (in situ)

• A few specimens marked with the prefix KMS4 which are reposited in the Exhibiting Room of Kaili No. 4 Middle School, Kaili City, Guizhou, all other described specimens are reposited in the Palaeontological Museum of Guizhou University, Guiyang, China (GU). Specimens having the prefix KW are from Wenglingtang section of the Early Cambrian Balang Formation at northwest Kaili

•City, Guizhou Province, and specimens having the prefix ZJ are from Jianggu section of the Early Cambrian Balang Formation at Jianggu Town, Zhenyuan County, Guizhou Province.

Primary reference: Y.-L. Zhao, R. L. Parsley, and J. Peng. 2007. Early Cambrian eocrinoids from Guizhou Province, South China. Palaeogeography, Palaeoclimatology, Palaeoecology 254:317-327 [A. Lin/A. Lin]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88781: authorized by Alex Lin, entered by Alex Lin on 20.04.2009

Creative Commons license: CC0 (CC0)