Shaiwa, unit 2 (Permian of China)
Where: Guizhou, China (25.6° N, 106.5° E: paleocoordinates 4.4° N, 96.8° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Qiaoma Formation, Changhsingian (254.0 - 252.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: basinal (siliceous); lithified chert and lithified, cherty/siliceous mudstone
• dark-gray medium- to thin-bedded chert with thin-bedded siliceous mudstone interbeds, 0.6 m thick
Size class: microfossils
Primary reference: Q. Feng and S. Gu. 2002. Uppermost Changxingian (Permian) radiolarian fauna from southern Guizhou, southwestern China. Journal of Paleontology 76(5):797-809 [W. Kiessling/U. Merkel] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 95316: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.04.2010