Shenjiawan, unit 19, 41: Taoyuanian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Asaphida
- Ceratopygidae
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Asiocephalus sulcatus
(Lisogor 1970)
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common category | ||||||
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Trilobita
- Corynexochida
- Cheilocephalidae
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Parakoldinia cf. paichiaensis
(Kobayashi 1933)
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rare category | ||||||
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Trilobita
- Olenida
- Olenidae
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Chekiangaspis subquadrata
Peng 1992
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common category | ||||||
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Westergaardites cf. pelturaeformis
Troedsson 1937
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common category | ||||||
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Agnostida
- Agnostidae
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Lotagnostus (Eolotagnostus) cf. scrobicularis
(Ergaliev 1980)
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common category | ||||||
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Neoagnostus cf. occultatus
(Xiang and Zhang 1985)
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rare category | ||||||
| see common names | |||||||
Geography
| Country: | China | State/province: | Hunan | County: | Cili |
| Coordinates: | 29.1° North, 111.0° East (view map) | ||||
| Paleocoordinates: | 20.7° North, 147.1° East | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cambrian | ||
| 10 m.y. bin: | Cambrian 4-5 | ||
| Key time interval: | Taoyuanian | Trilobite zone: | Eolotagnostus decorus-Kaolishaniella |
| Age range of interval: | 494.90000 - 485.40000 m.y. ago |
Stratigraphy
| Formation: | Huaqiao | ||||
| Local section: | Shenjiawan | Local bed: | 41 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Sample 41 of bed 19. Peng 1992 included the bed in the Bitiao Formation, but following revision of stratigraphic nomenclature (Peng & Robison, 2000), the Huaqiao, Chefu, and Bitiao formations have been grouped into a single unit, the Huaqiao Formation. | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Lithology description: argillaceous, laminated limestone | |
| Environment: | slope |
| Geology comments: Jiangnan Slope Belt | |
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: | 126717 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2012-04-12 18:30:18 | Last modified: | 2012-04-12 03:30:18 |
| Access level: | authorizer only | Released: | 2015-04-12 18:30:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 41110. | S. Peng. 1992. Upper Cambrian biostratigraphy and trilobite faunas of the Cili-Taoyuan area, northwestern Hunan, China. Memoir of the Association of Australasian Palaeontologists 13:1-119 [W. Kiessling/U. Merkel] |