Where: Shaanxi, China (33.0° N, 107.8° E: paleocoordinates 25.4° N, 162.1° E)

• coordinate based on nearby landmark

When: Ninella tarimensis - Cambroclavus fangxianensis small shelly zone, Guojiaba Formation, Nangaoian (521.0 - 514.0 Ma)

• Qian et al. do not give a formation, but based on Steiner et al. (2007 f. 9), it must be this. This is Qiongzhusian (=Chiungchussuan)

•

•Correlates of Pelagiella subangulata zone, Wutingaspis-Eoredlichia zone and Yunnanocephalus subzone, too.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils, microfossils

Preservation: adpression, soft parts

Primary reference: Y. Qian, Y. -S. Xie, and T.-G. He. 2001. Hyoliths of the Lower Cambrian Chiungchussuan Stage in south Shaanxi Province. Acta Palaeontologica Sinica 40(1):31-43 [P. Wagner/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 96504: authorized by Pete Wagner, entered by Pete Wagner on 10.06.2010

Creative Commons license: CC BY (attribution)