Upper Mbr., Wufeng Fm., Ludipin Songtao, Guizhou Prov., China (Ordovician of China)
Where: Guizhou, China (28.0° N, 109.0° E: paleocoordinates 9.4° N, 127.8° E)
• local area-level geographic resolution
When: Upper Member (Wufeng Formation), Wufeng (449.5 - 443.7 Ma)
Environment/lithology: offshore shelf; lithified, black, argillaceous limestone
• black muddy limestone
Primary reference: Guizhou Stratigraphic Work Group. 1977. Regional stratigraphic table of the southwestern region of China, Guizhou part. Geological Publishing House, Beijing [A. Miller/P. Novack-Gottshall] more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 7379: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 25.05.2000