Collection9E(1-2) (Cambrian of China)

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, Niuchehean (498.5 - 485.4 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

• micrite

Size classes: macrofossils, mesofossils

Collection methods: Trilobites and Conodonts only, Collected in the Xiaoyangqiao lower section, collection 9E(1-2), 22.5m 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 156921: authorized by Melanie Hopkins, entered by Shaun Mahmood on 02.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Ptychopariida - Shumardiidae
"Akoldinioidia convexalimbata" = Koldinioidia, "Akoldinioidia expansa" = Koldinioidia
"Akoldinioidia convexalimbata" = Koldinioidia trilobite
"Akoldinioidia expansa" = Koldinioidia trilobite
 Asaphida - Nileidae
 Asaphida - Remopleurididae
Artiopoda
 Agnostida - Metagnostidae
 Agnostida - Diplagnostidae
Conodonta
 Protopanderodontida - Oneotodontidae
Teridontus nakamurai Nogami 1967 conodont
 Proconodontida - Cordylodontidae
Cordylodus proavus Müller 1959 conodont