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)
• sample 111, Neoalbaillella ornithoformis 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 95625: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.04.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Polycystina | |
Ishigaum "sp. B" De Wever and Caridroit 1984
Ishigaum trifustis De Wever and Caridroit 1984 | |
"Nazarovella inflata" = Quadriremis inflata, Quadricaulis femoris, Nazarovella scalae, Nazarovella gracilis, Nabespecha leonardia
"Nazarovella inflata" = Quadriremis inflata Sashida and Tonishi 1986
Quadricaulis femoris Caridroit and De Wever 1986
Nazarovella scalae Caridroit and De Wever 1986
Nazarovella gracilis De Wever and Caridroit 1984
Nabespecha leonardia Cornell and Simpson 1986 | |
Copicyntra shaiwaensis, Hegleria mammilla, Stigmosphaerostylus itsukaichiensis, "Copicyntra akikawaensis" = Paracopicyntra akikawaensis
Copicyntra shaiwaensis Wang and Shang 2001
Hegleria mammilla Sheng and Wang 1985
Stigmosphaerostylus itsukaichiensis Sashida and Tonishi 1985
"Copicyntra akikawaensis" = Paracopicyntra akikawaensis Sashida and Tonishi 1988 |