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
Strophomenata | |
"Spinomarginifera semicircridge" = Minutomarginifera semicircridge2
"Spinomarginifera semicircridge" = Minutomarginifera semicircridge2 He et al. 2005 | |
"Anidanthus mucronata" = Anidanthus parvimucronata2
"Anidanthus mucronata" = Anidanthus parvimucronata2 He and Shen 2019 | |
Costatumulus dongpanensis2 He et al. 2005 | |
Rhynchonellata | |
Martinia liuqiaoiensis1 He et al. 2019 | |
? Cleiothyridina "sp. 2"2 Buckman 1906 | |
Acosarina sp.2 Cooper and Grant 1969 | |
Protozoa | |
Copiconica solida radiolarian | |
Palaeolithocyclia pilata Feng et al. 2009 radiolarian | |
Entactinia sashidai, Uberinterna virgispinosum, Copicyntra "sp. 3", Copicyntra "sp. 4", Paracopicyntra ziyunensis, Trilonche crassispinosa, Klaengspongus spinosus, Provisocyntra densa
Entactinia sashidai Feng 2007 radiolarian
Uberinterna virgispinosum Sashida and Tonishi 1988 radiolarian
Copicyntra "sp. 3" Nazarov and Ormiston 1985 radiolarian
Copicyntra "sp. 4" Nazarov and Ormiston 1985 radiolarian
Paracopicyntra ziyunensis Feng and Gu 2002 radiolarian
Trilonche crassispinosa radiolarian
Klaengspongus spinosus Sashida 2000 radiolarian
Provisocyntra densa Feng 2007 radiolarian | |
Bistarkum martiali Feng et al. 2006 radiolarian | |
Lithelius sinensis Feng et al. 2006 radiolarian | |
Ellipsocopicyntra wani Feng et al. 2006 radiolarian |