Dongpan section, bed 6 (Permian of China)

Where: Guangxi, China (22.3° N, 107.7° E)

• Paleocoordinates: 18.6° S, 107.6° E (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Dalong Formation, Changhsingian (254.1 - 251.9 Ma)

• bed 6 of unit 3 of the Dalong Formation, ca. 0.3 m thick, Late Changhsingian

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified claystone

• claystones with thin bedded siliceous rock interbeds

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 95335: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.04.2010

Creative Commons license: CC0 (CC0)

Taxonomic list

Protozoa
 Actinommacea - Xiphostylidae
Trigonosphaera calvata Feng 2004 radiolarian
 Latentifistularia - Tetratormentidae
Tetragregnon longispinatum Feng et al. 2006 radiolarian
 Latentifistularia - Pseudolitheliidae
Grandetortura nipponica Sashida and Tonishi 1991 radiolarian
 Latentifistularia - Latentifistulidae
Areolicaudatus semiglobosa Feng 1992 radiolarian
 Latentifistularia - Cauletellidae
Triplanospongos musashiensis Sashida and Tonishi 1988 radiolarian
Shangella longa Feng et al. 2006 radiolarian
Ishigaum tristylum Feng et al. 2006 radiolarian
Ishigaum obesum De Wever and Caridroit 1984 radiolarian
Ishigaum longispina Feng et al. 2006 radiolarian
Ishigaum trifustis De Wever and Caridroit 1984 radiolarian
Ishigaum complanum Feng et al. 2006 radiolarian
Ishigaum craticula Shang et al. 2001 radiolarian
Cauletella paradoxa Shang et al. 2001 radiolarian
Cauletella manica De Wever and Caridroit 1984 radiolarian
Foremanhelena circula Shang et al. 2001 radiolarian
Foremanhelena robusta Feng et al. 2006 radiolarian
 Latentifistularia - Ormistonellidae
Nazarovella gracilis De Wever and Caridroit 1984 radiolarian
Nazarovella scalae Caridroit and De Wever 1986 radiolarian
Ormistonella adhaerens Feng et al. 2006 radiolarian
 Entactinaria - Entactiniidae
Trilonche cimelia Ormiston and Lane 1976 radiolarian
Provisocyntra densa Feng 2007 radiolarian
Hegleria mammilla Sheng and Wang 1985 radiolarian
Uberinterna virgispinosum Sashida and Tonishi 1988 radiolarian
Copicyntra "sp. 3" Nazarov and Ormiston 1985 radiolarian
Copicyntra "sp. 4" Nazarov and Ormiston 1985 radiolarian
Sinosphaera spinosa Feng 2004 radiolarian
Klaengspongus umbilicatus Feng et al. 2009 radiolarian
Klaengspongus spinosus Sashida 2000 radiolarian
Paracopicyntra akikawaensis Sashida and Tonishi 1988 radiolarian
Paracopicyntra ziyunensis Feng and Gu 2002 radiolarian
Entactinia sashidai Feng 2007 radiolarian
 Entactinaria - Tetrentactiniidae
Triaenosphaera megacantha Feng 2007 radiolarian
 Entactinaria - Palaeolithocycliidae
Palaeolithocyclia pilata Feng et al. 2009 radiolarian
 Albaillellaria - Albaillellidae
Albaillella triangularis Ishiga et al. 1982 radiolarian
 Spumellaria - Pyramispongiidae
Tetrapaurinella nanjingensis Zhang et al. 1992 radiolarian
Paurinella aequispinosa Kozur and Mostler 1981 radiolarian
Ellipsocopicyntra wani Feng et al. 2006 radiolarian
 Spumellaria - Angulobracchiidae
Bistarkum martiali Feng et al. 2006 radiolarian
 Spumellaria - Litheliidae
Lithelius sinensis Feng et al. 2006 radiolarian
 Spumellaria - Oertlispongidae
Paroertlispongus fontainei Sashida 2000 radiolarian
 Spumellaria - Archaeospongoprunidae
Copiellintra elongata Feng et al. 2006 radiolarian
 Spumellaria - Relindellidae
Copicyntroides parvulus Feng et al. 2006 radiolarian
 Radiolaria -
Copiconica solida radiolarian
Copiconica acantha radiolarian