Where: Guizhou, China (27.5° N, 108.3° E: paleocoordinates 7.7° N, 125.7° E)
• coordinate based on political unit
• local area-level geographic resolution
When: Xiangshuyuan Formation, Llandovery (443.4 - 433.4 Ma)
• "Rong and Yang (1981) placed this community near the Middle-Upper Llandoverian boundary." Community found in middle part of the X. Formation.
• bed-level stratigraphic resolution
Environment/lithology: marine; gray, calcareous mudstone
Primary reference: Y. Wang, A. J. Boucot, J.Y. Rong and X.C. Yang. 1987. Community paleoecology as a geologic tool: the Chinese Ashgillian-Eifelian (latest Ordovician through early Middle Devonian) as an example. Geological Society of America Special Paper 211:1-100 [M. Foote/M. Foote/M. Foote]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 25846: authorized by Michael Foote, entered by Michael Foote on 26.09.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Spirigerina sp. d'Orbigny 1849 | |
Zygospiraella sp. Nikiforova 1961 | |
Hedeina sp. Boucot 1957
Striispirifer sp. Cooper and Muir-Wood 1951 |