Where: Jilin Provence, China (42.1° N, 126.7° E: paleocoordinates 3.4° N, 139.2° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Cordylodus proavus conodont zone, Dayangcha Formation, Niuchehean (489.5 - 485.4 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; stromatolitic limestone
Size classes: macrofossils, mesofossils
Collection methods: Trilobites and Conodonts only, Collected in the Xiaoyangqiao lower section, collection 8(0-D2), 12m from the base of the formation
Primary reference: J.-W. Chen, Y.-Y. Qian, J.-M. Zhang, Y.-K. Lin, L.-M. Yin, Z.-H. Wang, Z.-Z. Wang, J.-D. Yang, and Y.-X. Wang. 1988. The recommended Cambrian - Ordovician global Boundry stratotype of the Xiaoyangqiao section (Dayangcha, Jilin Province), China. In W. B. Harland, C. P. Hughes, R. S. J. Sparks, N. H. Woodcock, I. N. McCave (eds.), Geological Magazine 125(4):415-444 [M. Hopkins/S. Mahmood/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 156909: authorized by Melanie Hopkins, entered by Shaun Mahmood on 02.06.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Conodonta | |
Fryxellodontus inornatus conodont | |
Trilobita | |
Mictosaukia striata trilobite | |
"Alloleiostegium latilum" = Leiostegium
"Alloleiostegium latilum" = Leiostegium trilobite |