Shaiwa, unit 2 (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

• 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

Creative Commons license: CC BY (attribution)

Taxonomic list

 Spumellaria - Oertlispongidae
"Copiellintra fontainei" = Paroertlispongus fontainei
"Copiellintra fontainei" = Paroertlispongus fontainei Sashida 2000
 Entactinaria - Entactiniidae
Copicyntra sp. Nazarov and Ormiston 1985
"Copicyntra ziyunensis n. sp." = Paracopicyntra ziyunensis Feng and Gu 2002
Klaengspongus spinosus Sashida 2000
Hegleria mammilla Sheng and Wang 1985
 Latentifistularia -
Latentifistularia indet. Caridroit et al. 1999
 Latentifistularia - Ormistonellidae
Nazarovella gracilis, "Nazarovella inflata" = Quadriremis inflata
Nazarovella gracilis De Wever and Caridroit 1984
"Nazarovella inflata" = Quadriremis inflata Sashida and Tonishi 1986
 Latentifistularia - Cauletellidae
Foremanhelena triangula De Wever and Caridroit 1984
Triplanospongos dekkasensis Noble and Renne 1990
Ishigaum "sp. 1" De Wever and Caridroit 1984
Ishigaum trifustis De Wever and Caridroit 1984
 Latentifistularia -