Shaiwa, unit 3 (Permian of China)

Where: Guizhou, China (25.6° N, 106.5° E: paleocoordinates 5.4° N, 96.5° 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, cherty/siliceous mudstone

• gray-black thin- to medium-bedded chert with siliceous mudstone interbeds, 2.8 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 95317: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Polycystina
 Spumellaria - Oertlispongidae
? Paroertlispongus sp.
? Paroertlispongus sp. Kozur and Mostler 1981
 Latentifistularia - Cauletellidae
Triplanospongos dekkasensis, Ishigaum trifustis
Triplanospongos dekkasensis Noble and Renne 1990
Ishigaum trifustis De Wever and Caridroit 1984
 Latentifistularia - Ormistonellidae
Nazarovella gracilis
Nazarovella gracilis De Wever and Caridroit 1984
 Entactinaria - Entactiniidae
Hegleria mammilla, "Copicyntra ziyunensis" = Paracopicyntra ziyunensis, Klaengspongus spinosus, Copicyntra sp.
Hegleria mammilla Sheng and Wang 1985
"Copicyntra ziyunensis" = Paracopicyntra ziyunensis Feng and Gu 2002
Klaengspongus spinosus Sashida 2000
Copicyntra sp. Nazarov and Ormiston 1985