Where: Guizhou, China (25.6° N, 105.8° E: paleocoordinates 5.0° N, 96.0° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Qiaoma Formation, Changhsingian (254.2 - 252.2 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
Creative Commons license: CC BY (attribution)
Taxonomic list
Polycystina | |
? Paroertlispongus sp. Kozur and Mostler 1981 | |
Copicyntra sp. Nazarov and Ormiston 1985
"Copicyntra ziyunensis" = Paracopicyntra ziyunensis Feng and Gu 2002
Klaengspongus spinosus Sashida 2000 | |
Nazarovella gracilis De Wever and Caridroit 1984 |