Collection9D(1-2) (Cambrian of China)

Where: Jilin Provence, China (42.1° N, 126.7° E: paleocoordinates 9.2° N, 146.5° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Cordylodus Proavus zone trilobite zone, Cambrian (541.0 - 485.4 Ma)

Environment/lithology: marine; lithified limestone

• micrite

Size classes: macrofossils, mesofossils

Collection methods: Trilobites and Conodonts only, Collected in the Xiaoyangqiao lower section, collection 9D(1-2), 21.5m 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 156920: authorized by Melanie Hopkins, entered by Shaun Mahmood on 02.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

 Conodontophorida - Proconodontidae
Cordylodus proavus Müller 1959 conodont
 Conodontophorida -
Eoconodontus notchpeakensis Miller 1969 conodont
 Paraconodontida -
 Euconodonta -