Collection 9 (4-8) (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

• Wavy micrite

Size classes: macrofossils, mesofossils

Collection methods: Trilobites and Conodonts only, Collected in the Xiaoyangqiao lower section, collection 9 (4-8), 15m 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 156912: authorized by Melanie Hopkins, entered by Shaun Mahmood on 02.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Ptychopariida - Shumardiidae
"Akoldinioidia convexalimbata" = Koldinioidia
"Akoldinioidia convexalimbata" = Koldinioidia trilobite
 Asaphida - Dikelocephalidae
Mictosaukia sp. Shergold 1975 trilobite
 Asaphida - Ceratopygidae
 Corynexochida - Missisquoiidae
"Missisquoia perpetis" = Parakoldinioidia
"Missisquoia perpetis" = Parakoldinioidia trilobite
 Corynexochida - Leiostegiidae
"Alloleiostegium latilum" = Leiostegium
"Alloleiostegium latilum" = Leiostegium trilobite
Artiopoda
 Agnostida - Metagnostidae
Conodonta
 Protopanderodontida - Oneotodontidae
Teridontus nakamurai Nogami 1967 conodont
  -
"Stenodontus compressus" = Diaphanodus compressus, "Stenodontus jilinensis" = Diaphanodus
"Stenodontus compressus" = Diaphanodus compressus Chen and Gong 1986 conodont
"Stenodontus jilinensis" = Diaphanodus conodont
 Paraconodontida -
Furnishina furnishi Muller 1959 conodont
 Proconodontida - Cordylodontidae
Cordylodus proavus Müller 1959 conodont
 Proconodontida - Fryxellodontidae