Changle, HHC5, Huayuan County, Nantsinkwan Formation, Hunan: Tremadoc, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Agnostida
- Metagnostidae
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Geragnostus cf. yangtzeensis
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1 specimen | ||||||
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Trilobita
- Asaphida
- Remopleurididae
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Yosimuraspis spicata n. sp.
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1 specimen | ||||||
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Trilobita
- Asaphida
- Asaphidae
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Asaphellus inflatus
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5 specimens | ||||||
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Asaphellus yanheensis
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3 specimens | ||||||
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Trilobita
- Asaphida
- Hungaiidae
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Dactylocephalus latus
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4 specimens | ||||||
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Trilobita
- Ptychopariida
- Shumardiidae
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Shumardia (Conophrys) gaoluoensis
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2 specimens | ||||||
| see common names | |||||||
Geography
| Country: | China |
| Coordinates: | 28.6° North, 109.5° East (view map) |
| Paleocoordinates: | 19.3° North, 142.6° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | small collection |
Time
| 10 m.y. bin: | Cambrian-Ordovician |
| Key time interval: | Tremadoc |
| Age range of interval: | 485 - 477.7 m.y. ago |
Stratigraphy
| Formation: | Nantsinkwan | ||
| Local section: | Changle | Local bed: | HHC5 |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified "shale" |
| Includes fossils? | Y |
| Lithology description: light yellow, greyish-green and purple shale, intercalated in limestone beds | |
| Environment: | shallow subtidal indet. |
| Geology comments: easternmost part of the Yangtze carbonate platform | |
Taphonomy
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:trilobites only | |
Metadata
| Database number: | 66805 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2006-10-17 07:08:08 | Last modified: | 2006-10-17 10:08:09 |
| Access level: | the public | Released: | 2006-10-17 07:08:06 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 19023. | S. Peng. 1990. Tremadoc stratigraphy and trilobite faunas of northwestern Hunan. 1: Trilobites from the Nantsinkwan Formation of the Yangtze Platform. Beringeria 2:3-53 [W. Kiessling/U. Merkel] |