Laochang, A. protolevis zone (Permian of China)

Where: Yunnan, China (22.8° N, 99.7° E: paleocoordinates 14.1° S, 84.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Laochang Formation, Changhsingian (254.2 - 252.2 Ma)

• samples 101, 102, Albaillella protolevis zone

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified chert

Size class: microfossils

Primary reference: Y. J. Wang, Q. Yang, Y. N. Cheng and J. X. Li. 2006. Lopingian (Upper Permian) radiolarian biostratigraphy of south China. Palaeoworld 15:31-53 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 95623: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

 Entactinaria - Entactiniidae
"Copicyntra akikawaensis" = Paracopicyntra akikawaensis
"Copicyntra akikawaensis" = Paracopicyntra akikawaensis Sashida and Tonishi 1988 radiolarian
 Latentifistularia - Cauletellidae
Triplanospongos musashiensis Sashida and Tonishi 1988 radiolarian
Ishigaum trifustis De Wever and Caridroit 1984 radiolarian
 Latentifistularia - Latentifistulidae
Latentifistula similicutis Caridroit and De Wever 1986 radiolarian
 Latentifistularia - Ormistonellidae
"Nazarovella phlogidea" = Quadricaulis, "Nazarovella inflata" = Quadriremis inflata
"Nazarovella phlogidea" = Quadricaulis radiolarian
"Nazarovella inflata" = Quadriremis inflata Sashida and Tonishi 1986 radiolarian
 Albaillellaria - Albaillellidae
Albaillella protolevis Kuwahara 1999 radiolarian