Collection 9A(1-4) (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

• Wavy marlstone

Size classes: macrofossils, mesofossils

Collection methods: Trilobites and Conodonts only, Collected in the Xiaoyangqiao lower section, collection 9A(1-4), 20m 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 156917: authorized by Melanie Hopkins, entered by Shaun Mahmood on 02.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Conodonta
 Paraconodontida -
 Proconodontida - Cordylodontidae
Eoconodontus notchpeakensis Miller 1969 conodont
Cordylodus proavus Müller 1959 conodont
  - Amphigeisinidae
Phakelodus tenuis Muller 1959 conodont
  -
"Stenodontus jilinensis" = Diaphanodus
"Stenodontus jilinensis" = Diaphanodus conodont
 Protopanderodontida - Oneotodontidae
Teridontus nakamurai Nogami 1967 conodont