Wangcun section, 70.2m: Wangcunian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Agnostida
- Ptychagnostidae
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Ptychagnostus leptus
Qian 1983
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see common names |
Geography
Country: | China | State/province: | Hunan |
Coordinates: | 28.7° North, 110.0° East (view map) | ||
Paleocoordinates: | 24.4° North, 152.5° East | ||
Basis of coordinate: | based on nearby landmark | ||
Geographic resolution: | small collection |
Time
Period: | Cambrian | Epoch: | Miaolingian |
10 m.y. bin: | Cambrian 4 | ||
Key time interval: | Wangcunian | Trilobite zone: | Ptychagnostus punctuosus |
Age range of interval: | 504.5 - 497 m.y. ago |
Stratigraphy
Lithology and environment
Primary lithology: | lithified packstone |
Secondary lithology: | lithified grainstone |
Lithology description: bed 17: grayish black, medium- to thick-bedded, laminated packstone bearing limestone concretions, intercalated with few light-gray, thin-bedded grainstone beds, with a 15 cm thick layer of loosely cemented black shale appearing at 72.6 m, and a 10 cm thick grainstone bearing rich trilobites at 56.5 m | |
Environment: | slope |
Geology comments: Jiangnan Slope Belt, lower slope environments |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | good |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Database number: | 49280 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy |
Modifier: | U. Merkel | Research group: | marine invertebrate |
Created: | 2005-04-12 11:13:28 | Last modified: | 2013-11-25 13:37:23 |
Access level: | authorizer only | Released: | 2008-04-12 11:13:28 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
13139. | S. Peng and R. A. Robison. 2000. Agnostid biostratigraphy across the Middle-Upper Cambrian boundary in Hunan, China. Journal of Paleontology Memoir 53 [A. Miller/A. Hendy/A. Hendy] |