Bed 11, Meishan D Section, Changxing Formation, Zhejiang (Permian of China)

Where: China (31.1° N, 119.7° E: paleocoordinates 17.2° N, 101.6° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Baoqing Member (Changxing Formation), Changhsingian (254.2 - 252.2 Ma)

• Neogondolella subcarinata conodont zone, Neoalbaillella ornithoformis radiolaria zone

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal ramp; lithified limestone and lithified claystone

• slope facies along the Changxing carbonate platform margin, water depth of 150-200 m
• gray to grayish black thin-medium bedded limestone, intercalated with siliceous limestone, cherty banding, and claystone

Size class: microfossils

Collection methods: acetic,

Primary reference: W. He, Q. Feng, S. Gu and Y. Jin. 2005. Changxingian (Upper Permian) radiolarian fauna from Meishan D Section, Changxing, Zhejiang, China, and its possible paleoecological significance. Journal of Paleontology 79(2):209-218 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 61250: authorized by Wolfgang Kiessling, entered by Uta Merkel on 02.06.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

 Spumellaria - Relindellidae
 Entactinaria - Tetrentactiniidae
Triaenosphaera sp. Deflandre 1973
 Entactinaria - Entactiniidae
Copicyntra robustodentata, Paracopicyntra ziyunensis, "Entactinia meishanensis n. sp." = Stigmosphaerostylus, "? Entactinia sp." = Stigmosphaerostylus, "Entactinia itsukaichiensis" = Stigmosphaerostylus itsukaichiensis, Entactinosphaera cimelia
Paracopicyntra ziyunensis Feng and Gu 2002
"Entactinia meishanensis n. sp." = Stigmosphaerostylus
"? Entactinia sp." = Stigmosphaerostylus Rüst 1892
"Entactinia itsukaichiensis" = Stigmosphaerostylus itsukaichiensis Sashida and Tonishi 1985
Entactinosphaera cimelia Nazarov and Ormiston 1985
 Latentifistularia - Tetratormentidae
Tetragregnon sp. Ormiston and Lane 1976
 Latentifistularia - Pseudolitheliidae
Grandetortura nipponica Sashida and Tonishi 1991