Where: Jilin Provence, China (42.1° N, 126.7° E: paleocoordinates 5.3° S, 127.7° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Cordylodus lindstromi zone trilobite zone, Ordovician (485.4 - 443.8 Ma)
Environment/lithology: marine; lithified limestone
Size classes: macrofossils, mesofossils
Collection methods: Trilobites and Conodonts only, Collected in the Xiaoyangqiao Central section, collection 13(G-N), 33m 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 156931: authorized by Melanie Hopkins, entered by Shaun Mahmood on 02.06.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Conodonta | |
Fryxellodontus inornatus conodont | |
Cordylodus drucei conodont
Cordylodus proavus Müller 1959 conodont
Cordylodus intermedius Furnish 1938 conodont
Cordylodus lindstromi Druce and Jones 1971 conodont | |
Drepanodus lineatus conodont | |
Teridontus huanghuachangensis conodont
Teridontus nakamurai Nogami 1967 conodont
Utahconus utahensis Miller 1969 conodont
Semiacontiodus nogamii conodont | |
Prooneotodus rotundatus conodont
Prooneotodus gallatini Müller 1959 conodont |