Collection 22(A-E) (Ordovician of China)

Where: Jilin Provence, China (42.1° N, 126.7° E: paleocoordinates 0.4° N, 135.0° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Cordylodus lindstromi trilobite zone, Warendian (485.4 - 478.6 Ma)

Environment/lithology: marine; lithified, silty limestone

• thinly bedded silty micrite

Size classes: macrofossils, mesofossils

Collection methods: Trilobites and Conodonts only, Collected in the Xiaoyangqiao Upper section, collection 22(A-E), 41m 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 156938: authorized by Melanie Hopkins, entered by Shaun Mahmood on 02.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Conodonta
 Protopanderodontida - Oneotodontidae
Utahconus utahensis Miller 1969 conodont
 Paraconodontida -
Furnishina furnishi Muller 1959 conodont
 Proconodontida - Cordylodontidae
Eoconodontus notchpeakensis Miller 1969 conodont
Cordylodus proavus Müller 1959 conodont
Cordylodus lindstromi Druce and Jones 1971 conodont
Cordylodus intermedius Furnish 1938 conodont
Trilobita
 Asaphida - Remopleurididae