Lekang, unit 1 (Permian of China)

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

• dark gray silty mudstone with siliceous mudstone interbeds, 2.72 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 95320: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

 Spumellaria - Oertlispongidae
? Paroertlispongus sp. Kozur and Mostler 1981
"Copiellintra fontainei" = Paroertlispongus fontainei Sashida 2000
 Entactinaria - Entactiniidae
Copicyntra sp. Nazarov and Ormiston 1985
"Copicyntra ziyunensis" = Paracopicyntra ziyunensis Feng and Gu 2002
Klaengspongus spinosus Sashida 2000
"Entactinia sp." = Stigmosphaerostylus Rüst 1892
"? Entactinia sp." = Stigmosphaerostylus Rüst 1892
? Entactinosphaera sp. Foreman 1963
 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
Ishigaum "sp. 1" De Wever and Caridroit 1984
Ishigaum "sp. 2" De Wever and Caridroit 1984