Bed 12, Meishan D Section, Changxing Formation, Zhejiang: Changhsingian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protozoa
Radiolaria indet. Müller 1858
abundant category
Protozoa - Latentifistularia - Pseudolitheliidae
Grandetortura nipponica Sashida and Tonishi 1991
abundant category
Protozoa - Latentifistularia - Cauletellidae
Ishigaum trifustis De Wever and Caridroit 1984
rare category
Protozoa - Entactinaria - Entactiniidae
Entactinia itsukaichiensis Sashida and Tonishi 1985
abundant category
recombined as Stigmosphaerostylus itsukaichiensis
? Entactinia sp. Foreman 1963
rare category
synonym of Stigmosphaerostylus
Entactinosphaera cimelia Nazarov and Ormiston 1985
rare category
see common names

Geography
Country:China
Coordinates: 31.1° North, 119.7° East (view map)
Paleocoordinates:17.2° North, 101.6° East
Basis of coordinate:based on nearby landmark
Geographic resolution:hand sample
Time
Period:Permian Epoch:Lopingian
Stage:Changhsingian 10 m.y. bin:Permian 4
Key time interval:Changhsingian
Age range of interval:254.14000 - 251.90200 m.y. ago
Stratigraphy
Geological group:Lower Yangtze Block Formation:Changxing Member:Baoqing
Local section:Meishan D Local bed:12
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Neogondolella subcarinata conodont zone, Neoalbaillella ornithoformis radiolaria zone
Lithology and environment
Primary lithology: lithified "limestone"
Secondary lithology: lithified claystone
Lithology description: gray to grayish black thin-medium bedded limestone, intercalated with siliceous limestone, cherty banding, and claystone
Environment:deep subtidal ramp
Geology comments: slope facies along the Changxing carbonate platform margin, water depth of 150-200 m
Taphonomy
Size of fossils:microfossils
Collection methods and comments
Collection methods:acetic,field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:61251
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:W. Kiessling Research group:micropaleontology
Created:2006-06-02 02:25:46 Last modified:2006-06-06 10:46:00
Access level:the public Released:2006-06-02 02:25:46
Creative Commons license:CC BY
Reference information

Primary reference:

17613. 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]