Sanmenjiang III (Permian of China)

Where: Guangxi, China (24.3° N, 109.5° E: paleocoordinates 2.3° N, 100.4° E)

• coordinate stated in text

• small collection-level geographic resolution

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

• samples R2864-R2885, Follicucullus charveti-Albaillella yamakitai zone

• group of beds-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified chert and lithified, cherty/siliceous mudstone

• black chert, dark gray mudstone, siliceous mudstone

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 95738: authorized by Wolfgang Kiessling, entered by Uta Merkel on 26.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

 Entactinaria - Entactiniidae
Paracopicyntra akikawaensis Sashida and Tonishi 1988
? Copicyntra sp. Nazarov and Ormiston 1985
Entactinosphaera sp. Foreman 1963
Hegleria sp. Nazarov and Ormiston 1985
"Entactinia sp." = Stigmosphaerostylus RĂ¼st 1892
"Entactinia itsukaichiensis" = Stigmosphaerostylus itsukaichiensis Sashida and Tonishi 1985
 Latentifistularia -
Latentifistularia "indet. A" Caridroit et al. 1999
 Latentifistularia - Ormistonellidae
Ormistonella sp., "Raciditor inflata" = Quadricaulis, "Raciditor gracilis" = Quadricaulis, "Raciditor scalae" = Quadricaulis
Ormistonella sp. De Wever and Caridroit 1984
"Raciditor inflata" = Quadricaulis
"Raciditor gracilis" = Quadricaulis
"Raciditor scalae" = Quadricaulis
 Latentifistularia -
Gustefana sp. Kozur 1993
 Latentifistularia - Cauletellidae
Cauletella sp. Caridroit et al. 1999
Ishigaum sp. De Wever and Caridroit 1984
 Latentifistularia - Latentifistulidae
Latentifistula sp. Nazarov and Ormiston 1983
 Spumellaria - Pyramispongiidae
Yujingella sp. Feng et al. 2006
 Spumellaria - Relindellidae
Copicyntroides sp. Nazarov and Ormiston 1985
? Tetraspongodiscus sp. Kozur and Mostler 1979
 Spumellaria - Angulobracchiidae
Bistarkum martiali Feng et al. 2006
 Spumellaria - Archaeospongoprunidae
Copiellintra sp. Nazarov and Ormiston 1985