Yitan I (Permian of China)

Where: Guangxi, China (23.8° N, 109.5° E: paleocoordinates 1.9° N, 100.8° E)

• coordinate stated in text

• small collection-level geographic resolution

When: "Gufeng" Formation, Wuchiapingian (259.9 - 254.2 Ma)

• samples R2901-R2926, Follicucullus charveti-Albaillella yamakitai zone

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified chert

• gray bedded chert

Size class: microfossils

Primary reference: A. Yao, K. Kuwahara, J. Yao, Z. Ji, and J. Li. 2007. Permian radiolarians from the so-called Gufeng Formation of the Laibin-Liuzhou area, Guangxi, China. Journal of Geosciences 50(6):67-81 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 95739: authorized by Wolfgang Kiessling, entered by Uta Merkel on 26.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

 Spumellaria - Archaeospongoprunidae
Copiellintra sp. Nazarov and Ormiston 1985 radiolarian
 Latentifistularia -
Latentifistularia "indet. A" Caridroit et al. 1999 radiolarian
 Latentifistularia - Latentifistulidae
Latentifistula sp. Nazarov and Ormiston 1983 radiolarian
 Latentifistularia - Ormistonellidae
"Raciditor gracilis" = Quadricaulis, "Raciditor inflata" = Quadricaulis, "Raciditor scalae" = Quadricaulis, "Raciditor sp." = Quadricaulis
"Raciditor gracilis" = Quadricaulis radiolarian
"Raciditor inflata" = Quadricaulis radiolarian
"Raciditor scalae" = Quadricaulis radiolarian
"Raciditor sp." = Quadricaulis Caridroit and De Wever 1986 radiolarian
 Latentifistularia - Cauletellidae
 Entactinaria - Entactiniidae
"Entactinia itsukaichiensis" = Stigmosphaerostylus itsukaichiensis, "Entactinia sp." = Stigmosphaerostylus, ? Copicyntra sp., Hegleria sp.
"Entactinia itsukaichiensis" = Stigmosphaerostylus itsukaichiensis Sashida and Tonishi 1985 radiolarian
"Entactinia sp." = Stigmosphaerostylus RĂ¼st 1892 radiolarian
? Copicyntra sp. Nazarov and Ormiston 1985 radiolarian
Hegleria sp. Nazarov and Ormiston 1985 radiolarian