Where: Guangxi, China (22.3° N, 107.7° E: paleocoordinates 3.5° N, 99.5° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Dalong Formation, Changhsingian (254.2 - 252.2 Ma)
• bed 9 of unit 3 of the Dalong Formation, ca. 0.4 m thick, Late Changhsingian
• bed-level stratigraphic resolution
Environment/lithology: basinal (); lithified mudstone and lithified claystone
Size class: microfossils
Primary reference: Q. Feng, W. He, S. Gu, Y. Meng, Y. Jin and F. Zhang. 2007. Radiolarian evolution during the latest Permian in south China. Global and Planetary Change 55:177-192 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 95338: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.04.2010, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
| Polycystina | |
|
Lithelius sinensis Feng et al. 2006 | |
|
Bistarkum martiali Feng et al. 2006 | |
|
Ellipsocopicyntra wani Feng et al. 2006 | |
|
Palaeolithocyclia pilata Feng et al. 2009 | |
Copicyntra "sp. 3", Copicyntra "sp. 4", Paracopicyntra ziyunensis, Klaengspongus spinosus, Trilonche crassispinosa, "Entactinia sashidai" = Stigmosphaerostylus, Uberinterna virgispinosum, Provisocyntra densa
Copicyntra "sp. 3" Nazarov and Ormiston 1985
Copicyntra "sp. 4" Nazarov and Ormiston 1985
Paracopicyntra ziyunensis Feng and Gu 2002
Klaengspongus spinosus Sashida 2000
"Entactinia sashidai" = Stigmosphaerostylus | |
| Copiconica | |
| Strophomenata | |
"Spinomarginifera semicircridge" = Minutomarginifera semicircridge2
"Spinomarginifera semicircridge" = Minutomarginifera semicircridge2 He et al. 2005 | |
|
Costatumulus dongpanensis2 He et al. 2005 | |
"Anidanthus mucronata" = Anidanthus parvimucronata2
"Anidanthus mucronata" = Anidanthus parvimucronata2 He and Shen 2019 | |
| Rhynchonellata | |
|
? Cleiothyridina "sp. 2"2 Buckman 1906 | |
|
Martinia liuqiaoiensis1 He et al. 2019 | |
|
Acosarina sp.2 Cooper and Grant 1969 | |