Where: Yunnan, China (24.7° N, 102.5° E: paleocoordinates 35.2° N, 161.1° E)
When: Eoredlichia-Wutingaspis trilobite zone, Yu'anshan Member (Heilinpu Formation), Stage 3 (521.0 - 514.0 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 225155: authorized by Val Syverson, entered by Val Syverson on 27.04.2022, edited by Phil Novack-Gottshall
Creative Commons license: CC BY (attribution)
Taxonomic list
Sedentaria | |
Iotuba chengjiangensis Zhang et al. 2023 | |
Scleroctenophora | |
Maotianoascus octonarius, Gemmactena actinala, Trigoides aclis, Batofasciculus ramificans, Thaumactena ensis
Maotianoascus octonarius Chen and Zhou 1997
Gemmactena actinala Ou et al. 2015
Trigoides aclis Luo et al. 1999
Batofasciculus ramificans Hou et al. 1999
Thaumactena ensis Ou et al. 2015 |