ammonites
Bed L4 of the Upper Qiziqiao Fm, Xikuangshan section, Xinhua County, Hunan (Devonian of China)

Where: Hunan, China (27.8° N, 111.5° E: paleocoordinates 4.0° S, 111.3° E)

• coordinate based on political unit

• small collection-level geographic resolution

When: Qiziqiao Formation, Frasnian (383.7 - 376.1 Ma)

• Bed is about 1.25m thick.

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; shale and shelly/skeletal limestone

• outer littoral to shallow subtidal zone.
• interbedded bioclastic limestone and shale

Collection methods: Illustrated specimens are housed in the Department of Geology, Peking University in Beijing (abbreviated PUM).

Primary reference: X.-P. Ma, Y.-L. Sun, W.-C. Hao and W.-H. Liao. 2002. Rugose corals and brachiopods across the Frasnian-Famennian boundary in central Hunan, South China. Acta Palaeontologica Polonica 47(2):373-396 [A. Miller/J. Sessa/J. Sessa] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 40953: authorized by Arnold Miller, entered by Jocelyn Sessa on 04.07.2004