Maotianshan, unit Cf7: Atdabanian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Nektaspidida
- Naraoiidae
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Naraoia longicaudata
Zhang and Hou 1985
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| see common names | |||||||
Geography
| Country: | China | State/province: | Yunnan |
| Coordinates: | 24.7° North, 103.0° East (view map) | ||
| Paleocoordinates: | 35.0° North, 160.7° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Cambrian | Epoch: | Series 2 |
| Stage: | Stage 3 | 10 m.y. bin: | Cambrian 2 |
| Key time interval: | Atdabanian | ||
| Age range of interval: | 521 - 515.6 m.y. ago |
Stratigraphy
| Formation: | Qiongzhusi | Member: | Yuanshan | ||
| Local section: | Maotianshan | Local bed: | Cf7 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: lower Eoredlichia trilobite zone, Cf7, Cf8 correspond to unit M4 of Maotianshan | |||||
Lithology and environment
| Primary lithology: | lithified mudstone |
| Lithology description: soft mudstone | |
| Environment: | marginal marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Chengjiang fauna | ||
| Database number: | 96414 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2010-06-07 05:16:33 | Last modified: | 2010-06-07 08:16:33 |
| Access level: | the public | Released: | 2010-06-07 05:16:33 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 32720. | X. Hou and J. Bergström. 1997. Arthropods of the Lower Cambrian Chengjiang fauna, southwest China. Fossils & Strata 45:1-116 [W. Kiessling/W. Kiessling] |