R 519, Southern Nanpan Section, Changning-Menglian Terrane, Yunnan, China (Permian of China)

Where: China (22.6° N, 100.0° E: paleocoordinates 13.9° S, 84.8° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Laba Group, Changhsingian (254.2 - 252.2 Ma)

• radiolarian zone: Neoalbaillella pseudogrypa Zone

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified chert

• pinkish tuffaceous chert, thickness of the section is about 3 m, thickness of one chert bed is 2-5 cm

Size class: microfossils

Preservation: original silica

Collection methods: chemical,

Primary reference: K. Kuwahara, A. Yao, and T. An. 1997. Paleozoic and Mesozoic complexes in the Yunnan area, China (Part 1): Preliminary report of Middle-Late Permian radiolarian assemblages. Journal of Geosciences, Osaka City University 40:37-49 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 59990: authorized by Wolfgang Kiessling, entered by Uta Merkel on 26.04.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

 Albaillellaria - Albaillellidae
Albaillella aff. levis Ishiga et al. 1982 radiolarian
 Entactinaria - Entactiniidae
Copicyntra "sp. A" Nazarov and Ormiston 1985 radiolarian
Kashiwara magna Sashida and Tonishi 1985 radiolarian
"Hegleria mammifera" = Hegleria mammilla Sheng and Wang 1985 radiolarian
 Latentifistularia - Ormistonellidae
Nazarovella gracilis De Wever and Caridroit 1984 radiolarian
 Latentifistularia - Latentifistulidae
Latentifistula "sp. A" Nazarov and Ormiston 1983 radiolarian
 Latentifistularia - Cauletellidae
Cauletella sp. Caridroit et al. 1999 radiolarian
Pseudotormentus kamigoriensis De Wever and Caridroit 1984 radiolarian
 Polycystina -
Spumellaria "indet. A" Ehrenberg 1875 radiolarian
Spumellaria gen. et sp. indet. A
Porifera indet. Grant 1836