Where: Guizhou, China (25.6° N, 105.8° E: paleocoordinates 4.0° N, 96.2° 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 mudstone

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 95323: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.04.2010