Where: Yunnan, China (24.6° N, 103.0° E: paleocoordinates 36.6° N, 162.2° E)

When: Eoredlichia-Wutingaspis trilobite zone, Yu'anshan Member (Heilinpu Formation), Early/Lower Cambrian (538.8 - 509.0 Ma)

Environment/lithology: deltaic; gray, yellow mudstone

Size classes: macrofossils, mesofossils

Preservation: adpression, replaced with limonite, replaced with carbon

Collection methods: " Specimens are reposited in the Early Life Evolutionary Laboratory at China University of Geosciences

•(prefix ELEL-), Early Life Institute at Northwest University (prefix ELI-), Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences (prefixes NIGP- and ELRC-), Research Center for

•Chengjiang Biota at Yunnan University (prefix RCCBYU-), and Yunnan Institute of Geological Science (prefix YDKS-)."

Primary reference: Q. Ou, S. Xiao, J. Han, G. Sun, F. Zhang, Z. Zhang, and D. Shu. 2015. A vanished history of skeletonization in Cambrian comb jellies. Science Advances 1(6) [V. Syverson/V. Syverson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 225157: authorized by Val Syverson, entered by Val Syverson on 27.04.2022

Creative Commons license: CC BY (attribution)