Chengkou: Nangaoian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Corynexochida
- Chengkouiidae
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Xiuqiella rectangula
Chien and Yao 1974
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Trilobita
- Redlichiida
- Chengkouaspididae
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Chengkouaspis longioculus n. gen., n. sp.
Zhang et al. 1980
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| see common names | |||||||
Geography
| Country: | China | State/province: | Chongqing | County: | Chengkou |
| Coordinates: | 31.9° North, 108.7° East (view map) | ||||
| Paleocoordinates: | 6.7° South, 78.7° East (Wright 2013) | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Series 2 |
| Stage: | Stage 3 | 10 m.y. bin: | Cambrian 2 |
| Key time interval: | Nangaoian | ||
| Age range of interval: | 521 - 514.5 m.y. ago |
Stratigraphy
| Formation: | Yingzuiyan |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | cast,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 127757 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2012-05-23 18:46:12 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | authorizer only | Released: | 2015-05-23 18:46:12 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 41622. | W. T. Zhang, Y. H. Lu, Z. L. Zhu, Y. Y. Qian, H. L. Lin, Z. Zhou, S. Zhang and J. L. Yuan. 1980. Cambrian trilobite faunas of southwestern China. Palaeontologia Sinica, new series B 16:1-497 [W. Kiessling/U. Merkel] |