Where: Guizhou, China (25.1° N, 106.2° E: paleocoordinates 4.8° N, 96.6° 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, silty mudstone and lithified, cherty/siliceous 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 95320: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.04.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
| Polycystina | |
? Paroertlispongus sp., "Copiellintra fontainei" = Paroertlispongus fontainei
? Paroertlispongus sp. Kozur and Mostler 1981
"Copiellintra fontainei" = Paroertlispongus fontainei Sashida 2000 | |
|
Foremanhelena triangula De Wever and Caridroit 1984
Ishigaum "sp. 1" De Wever and Caridroit 1984
Ishigaum "sp. 2" De Wever and Caridroit 1984 | |
Nazarovella gracilis, "Nazarovella inflata" = Quadriremis inflata
Nazarovella gracilis De Wever and Caridroit 1984
"Nazarovella inflata" = Quadriremis inflata Sashida and Tonishi 1986 | |
"Entactinia sp." = Stigmosphaerostylus, "? Entactinia sp." = Stigmosphaerostylus, "Copicyntra ziyunensis" = Paracopicyntra ziyunensis, ? Entactinosphaera sp., Klaengspongus spinosus, Copicyntra sp.
"Entactinia sp." = Stigmosphaerostylus Rüst 1892
"? Entactinia sp." = Stigmosphaerostylus Rüst 1892
"Copicyntra ziyunensis" = Paracopicyntra ziyunensis Feng and Gu 2002
? Entactinosphaera sp. Foreman 1963
Klaengspongus spinosus Sashida 2000
Copicyntra sp. Nazarov and Ormiston 1985 | |