Shenjiawan, unit 33, 64: Niuchehean, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Agnostida
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Leiagnostus cf. bexelli
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Agnostida
- Agnostidae
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Micragnostus chiushuensis
(Kobayashi 1931)
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Neoagnostus bilobus
(Shaw 1951)
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Trilobita
- Olenida
- Eulomidae
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Proteuloma peresum
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Trilobita
- Corynexochida
- Leiostegiidae
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Leiostegium constrictum
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Leiostegium planum
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Trilobita
- Corynexochida
- Cheilocephalidae
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Parakoldinia tholimorpha
Peng 1992
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Trilobita
- Ptychopariida
- Solenopleuridae
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Acrocephalina cf. acuta
Troedsson 1937
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Trilobita
- Asaphida
- Ceratopygidae
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Macropyge angusta
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Hunanopyge sejuncta
Peng 1984
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Diceratopyge elongata
Peng 1983
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Trilobita
- Asaphida
- Asaphidae
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Niobella bella
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Trilobita
- Asaphida
- Nileidae
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Troedssonia wimani
(Troedsson 1937)
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| 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 | Epoch: | Furongian |
| Stage: | Stage 10 | 10 m.y. bin: | Cambrian 5 |
| Key time interval: | Niuchehean | Trilobite zone: | Leiostegium constrictum-Shenjiawania brevica |
| Age range of interval: | 489.5 - 485.4 m.y. ago |
Stratigraphy
| Formation: | Shenjiawan | ||||
| Local section: | Shenjiawan | Local bed: | 64 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: sample 64 of bed 33, Cambrian stage 10 | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Lithology description: gray medium- to thin-bedded limestone in the lower part, dark-gray thick-bedded limestone in the upper part | |
| 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: | 107335 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel |
| Modifier: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2011-04-04 22:52:20 | Last modified: | 2012-04-12 09:26:59 |
| Access level: | authorizer only | Released: | 2014-04-04 22:52:20 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 35684. | S. Peng and L. E. Babcock. 2001. Cambrian of the Hunan-Guizhou region, south China. Palaeoworld 13:3-51 [W. Kiessling/U. Merkel] |
Secondary references:
| 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] |