Bed 45, Baoto Fm., Huanghuachang and Yiching, Hubei Prov., China (Ordovician to of China)
Where: Hubei, China (33.0° N, 111.0° E: paleocoordinates 7.8° N, 133.8° E)
• local area-level geographic resolution
When: Baota Formation, Soudleyan to Soudleyan (457.5 - 452.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: deep subtidal shelf; lithified shale and limestone
• Mudstone interbedded with limestone
Primary reference: X. Wang, L. Xian, S. Ni, Q. Zheng, G. Xu, T. Zhou, C. Lai and Z. Li. 1987. Biostratigraphy of the Yangtze Gorge Area. Part (2) Early Paleozoic Era. Geological Publishing House, Beijing 43-142 [A. Miller/P. Novack-Gottshall] more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 4691: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 17.08.1999